{"id":294,"date":"2023-07-06T16:09:27","date_gmt":"2023-07-06T16:09:27","guid":{"rendered":"https:\/\/mathority.org\/cn\/%e4%bd%bf%e7%94%a8%e9%ab%98%e6%96%af%e6%96%b9%e6%b3%95%e8%ae%a8%e8%ae%ba%e6%96%b9%e7%a8%8b%e7%bb%84%e5%b9%b6%e8%a7%a3%e5%86%b3%e7%bb%83%e4%b9%a0\/"},"modified":"2023-07-06T16:09:27","modified_gmt":"2023-07-06T16:09:27","slug":"%e4%bd%bf%e7%94%a8%e9%ab%98%e6%96%af%e6%96%b9%e6%b3%95%e8%ae%a8%e8%ae%ba%e6%96%b9%e7%a8%8b%e7%bb%84%e5%b9%b6%e8%a7%a3%e5%86%b3%e7%bb%83%e4%b9%a0","status":"publish","type":"post","link":"https:\/\/mathority.org\/cn\/%e4%bd%bf%e7%94%a8%e9%ab%98%e6%96%af%e6%96%b9%e6%b3%95%e8%ae%a8%e8%ae%ba%e6%96%b9%e7%a8%8b%e7%bb%84%e5%b9%b6%e8%a7%a3%e5%86%b3%e7%bb%83%e4%b9%a0\/","title":{"rendered":"\u4f7f\u7528\u9ad8\u65af\u65b9\u6cd5\u8ba8\u8bba\u65b9\u7a0b\u7ec4"},"content":{"rendered":"<p>\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u4e86\u89e3<strong>\u5982\u4f55\u901a\u8fc7\u9ad8\u65af-\u4e54\u4e39\u6cd5\u8ba8\u8bba\u548c\u6c42\u89e3\u65b9\u7a0b\u7ec4<\/strong>\u3002\u5373\u5224\u65ad\u662f\u786e\u5b9a\u517c\u5bb9\u7cfb\u7edf(DCS)\u3001\u4e0d\u786e\u5b9a\u517c\u5bb9\u7cfb\u7edf(ICS)\u8fd8\u662f\u4e0d\u517c\u5bb9\u7cfb\u7edf\u3002\u6b64\u5916\uff0c\u60a8\u8fd8\u4f1a\u627e\u5230\u793a\u4f8b\u548c\u5df2\u89e3\u51b3\u7684\u7ec3\u4e60\uff0c\u4ee5\u4fbf\u60a8\u53ef\u4ee5\u5b8c\u7f8e\u5730\u7ec3\u4e60\u548c\u5438\u6536\u8fd9\u4e9b\u6982\u5ff5\u3002<\/p>\n<p>\u4e3a\u4e86\u7406\u89e3\u6211\u4eec\u63a5\u4e0b\u6765\u8981\u89e3\u91ca\u7684\u5185\u5bb9\uff0c\u91cd\u8981\u7684\u662f\u60a8\u5df2\u7ecf\u77e5\u9053\u5982\u4f55\u4f7f\u7528<a href=\"https:\/\/mathority.org\/cn\" target=\"_blank\" aria-label=\"undefined (abre en una nueva pesta\u00f1a)\" rel=\"noreferrer noopener\">\u9ad8\u65af\u65b9\u6cd5<\/a>\u6c42\u89e3\u7cfb\u7edf\uff0c\u56e0\u6b64\u6211\u4eec\u5efa\u8bae\u60a8\u5728\u7ee7\u7eed\u4e4b\u524d\u5148\u770b\u4e00\u4e0b\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u7531\u9ad8\u65af\u65b9\u6cd5\u786e\u5b9a\u7684\u517c\u5bb9\u7cfb\u7edf<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\">\u53ea\u8981\u9ad8\u65af\u77e9\u9635\u7684\u6700\u540e\u4e00\u884c\u662f<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e51d504887586898a4b88863a128c8e2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{(0 \\ 0 \\ n \\ | \\ m)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"85\" style=\"vertical-align: -5px;\"><\/p>\n<p>\uff0c \u662f<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b170995d512c659d8668b4e42e1fef6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u548c<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6b41df788161942c6f98604d37de8098_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"15\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u4efb\u610f\u4e24\u4e2a\u6570\u5b57\uff0c\u8fd9\u662f\u4e00\u4e2a<strong>SCD<\/strong> \uff08\u7cfb\u7edf\u517c\u5bb9\u786e\u5b9a\uff09\u3002\u56e0\u6b64\uff0c\u8be5\u7cfb\u7edf<strong>\u6709\u72ec\u7279\u7684\u89e3\u51b3\u65b9\u6848<\/strong>\u3002<\/p>\n<p>\u7edd\u5927\u591a\u6570\u7cfb\u7edf\u90fd\u662fSCD\u3002<\/p>\n<h3 class=\"wp-block-heading\">\u4f8b\u5b50\uff1a<\/h3>\n<p>\u4f8b\u5982\uff0c\u6211\u4eec\u6709\u8fd9\u6837\u7684\u7cfb\u7edf\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-bab5d5823e45833aa691a3510a2a23eb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} 3x+2y-z=1 \\\\[2ex] 3x+8y+z=1\\\\[2ex] 6x+4y-z=-1 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"157\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u5176\u5c55\u5f00\u77e9\u9635\u4e3a\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1f8daea11edeedfd6b86bb251fe19032_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} 3x+2y-z=1 \\\\[2ex] 3x+8y+z=1\\\\[2ex] 6x+4y-z=-1 \\end{array} \\right\\}} \\ \\longrightarrow \\ \\left( \\begin{array}{ccc|c} 3 &amp; 2 &amp; -1 &amp; 1 \\\\[2ex] 3 &amp; 8 &amp; 1 &amp; 1 \\\\[2ex] 6 &amp; 4 &amp; -1 &amp; -1 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"364\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u4e3a\u4e86\u6c42\u89e3\u8be5\u7cfb\u7edf\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u77e9\u9635\u7684\u884c\u8fdb\u884c\u64cd\u4f5c\uff0c\u5e76\u5c06\u4e3b\u5bf9\u89d2\u7ebf\u4ee5\u4e0b\u7684\u6240\u6709\u5143\u7d20\u8f6c\u6362\u4e3a 0\u3002\u56e0\u6b64\uff0c\u4ece\u7b2c\u4e8c\u884c\u4e2d\u51cf\u53bb\u7b2c\u4e00\u884c\uff0c\u4ece\u7b2c\u4e09\u884c\u4e2d\u51cf\u53bb\u7b2c\u4e00\u884c\u4e58\u4ee5 2\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d68ac25745ddc71d1e7f55f68dd4ea7a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c}  3 &amp; 2 &amp; -1 &amp; 1 \\\\[2ex] 3 &amp; 8 &amp; 1 &amp; 1 \\\\[2ex] 6 &amp; 4 &amp; -1 &amp; -1 \\end{array} \\right) \\begin{array}{c}   \\\\[2ex] \\xrightarrow{f_2 -f_1}    \\\\[2ex] \\xrightarrow{f_3 -2f_1} &amp; \\end{array} \\left( \\begin{array}{ccc|c}   3 &amp; 2 &amp; -1 &amp; 1 \\\\[2ex] 0 &amp; 6 &amp; 2 &amp; 0 \\\\[2ex] 0 &amp; 0 &amp; 1 &amp; -3  \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"385\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u4e00\u65e6\u4e3b\u5bf9\u89d2\u7ebf\u4ee5\u4e0b\u7684\u6240\u6709\u6570\u5b57\u90fd\u4e3a 0\uff0c\u6211\u4eec\u8fd4\u56de\u5c06\u7cfb\u7edf\u4f20\u9012\u4e3a\u65b9\u7a0b\u5f62\u5f0f\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4457f1b034e72c6945bfe609eff52b9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 3 &amp; 2 &amp; -1 &amp; 1 \\\\[2ex] 0 &amp; 6 &amp; 2 &amp; 0 \\\\[2ex] 0 &amp; 0 &amp; 1 &amp; -3 \\end{array} \\right) \\ \\longrightarrow \\ \\left. \\begin{array}{r} 3x+2y-z=1 \\\\[2ex] 6y+2z=0\\\\[2ex] 1z=-3 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"357\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u6240\u4ee5\u8fd9\u4e2a\u7cfb\u7edf\u662f<strong>SCD<\/strong> \uff0c\u56e0\u4e3a\u77e9\u9635\u88ab\u79fb\u52a8\u5e76\u4e14\u6700\u540e\u4e00\u884c\u7684\u7c7b\u578b<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5d701f6e0afb7579229228d226ee2186_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(0 \\ 0 \\ n \\ | \\ m)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"85\" style=\"vertical-align: -5px;\"><\/p>\n<p>\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u4e00\u5982\u65e2\u5f80\u5730\u89e3\u51b3\u5b83\uff1a\u901a\u8fc7\u81ea\u4e0b\u800c\u4e0a\u6d88\u9664\u65b9\u7a0b\u4e2d\u7684\u672a\u77e5\u6570\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0c5e90a86787314220c31ecd60d6f199_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"1z=-3\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"64\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-208c30aafe1c4928acff3cce03097853_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"z = \\cfrac{-3}{1}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"66\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-67c7c1bd6ec188bc7f07448caa4fb8e6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{z=-3}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"56\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u73b0\u5728\u6211\u4eec\u77e5\u9053\u4e86 z\uff0c\u6211\u4eec\u5c06\u5b83\u7684\u503c\u4ee3\u5165\u7b2c\u4e8c\u4e2a\u65b9\u7a0b\u6765\u627e\u5230<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0af556714940c351c933bba8cf840796_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"><\/p>\n<p>\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1db2032db54c788fd661ffa5111bf6b2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"6y+2z=0\\ \\xrightarrow{z \\ = \\ -3} \\ 6y+2(-3)=0\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"287\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-131539e858428b6f26babc9730564d48_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"6y-6=0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"81\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ee31c7e143e7eebbe4f91b706e908a94_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"6y=6\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"51\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5283f114522b33a4ac33f83cd7b40124_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=\\cfrac{6}{6}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"44\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5489dac6d2be260d4a09edf4813fa93b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{y=1}\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"41\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u6700\u540e\uff0c\u6211\u4eec\u5bf9\u7b2c\u4e00\u4e2a\u65b9\u7a0b\u505a\u540c\u6837\u7684\u4e8b\u60c5\uff1a\u6211\u4eec\u66ff\u6362\u5176\u4ed6\u672a\u77e5\u6570\u7684\u503c\uff0c\u7136\u540e\u6c42\u89e3<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ede05c264bba0eda080918aaa09c4658_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p>\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d5505444d34955415e012a46af45f09b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3x+2y-z=1 \\ \\xrightarrow{y \\ = \\ 1 \\ ; \\ z \\ = \\ -3} \\ 3x+2(1)-(-3)=1\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"416\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-65525763652f9a055c86603030aec3fe_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3x+2+3=1\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"112\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-28feb5b7617223f938a89688d2e12037_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3x=1-2-3\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"113\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-be5c4a85a1f5bd3fed2fe2f669a32357_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3x=-4\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"66\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-bf1c9bbd516dc5ab91aebc6a04b12ead_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=\\cfrac{-4}{3}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"67\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-176fc9e917ed897eefe381de76f1fe4d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x= -}\\cfrac{\\bm{4}}{\\bm{3}}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"58\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p>\u56e0\u6b64\uff0c\u65b9\u7a0b\u7ec4\u7684\u89e3\u4e3a\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-42de799d301318c37cbb28213dba5bf6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x= -}\\cfrac{\\bm{4}}{\\bm{3}} \\qquad \\bm{y=1} \\qquad \\bm{z=-3}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"227\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\">\u9ad8\u65af\u65b9\u6cd5\u7684\u4e0d\u76f8\u5bb9\u7cfb\u7edf<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\">\u5f53\u9ad8\u65af\u77e9\u9635\u4e2d\u6709\u4e00\u884c\u5305\u542b\u4e09\u4e2a 0 \u548c\u4e00\u4e2a\u6570\u5b57\u65f6<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b7185fdc91d65f5980afc39d3554b074_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{(0 \\ 0 \\ 0 \\ | \\ n)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"78\" style=\"vertical-align: -5px;\"><\/p>\n<p>\uff0c\u5b83\u662f\u4e00\u4e2a<strong>IS<\/strong> \uff08\u4e0d\u517c\u5bb9\u7cfb\u7edf\uff09\uff0c\u56e0\u6b64\uff0c\u8be5\u7cfb\u7edf<strong>\u6ca1\u6709\u89e3\u51b3\u65b9\u6848<\/strong>\u3002<\/p>\n<h3 class=\"estil_titol_H3 wp-block-heading\">\u4f8b\u5b50\uff1a<\/h3>\n<p>\u4f8b\u5982\uff0c\u60f3\u8c61\u4e00\u4e0b\uff0c\u5728\u5bf9\u7cfb\u7edf\u7684\u9ad8\u65af\u77e9\u9635\u8fdb\u884c\u64cd\u4f5c\u540e\uff0c\u6211\u4eec\u5f97\u5230\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-defe65fa616eff800314ebc6dc6f552b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 4 &amp; 1 &amp; -1 &amp; 0 \\\\[2ex] 0 &amp; 3 &amp; 1 &amp; -1 \\\\[2ex] 0 &amp; 0 &amp; 0 &amp; 2 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"149\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u6b63\u5982\u6700\u540e\u4e00\u884c\u662f<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8f44bbccb21c7112a3bbc67f6c4f1d8a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(0 \\ 0 \\ 0 \\ | \\ 2)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"76\" style=\"vertical-align: -5px;\"><\/p>\n<p>\uff0c\u5373\u4e09\u4e2a 0 \u540e\u8ddf\u4e00\u4e2a\u6570\u5b57\uff0c\u662f\u4e00\u4e2a<strong>IF<\/strong> \uff08\u4e0d\u517c\u5bb9\u7cfb\u7edf\uff09\uff0c\u56e0\u6b64<strong>\u8be5\u7cfb\u7edf\u65e0\u89e3<\/strong>\u3002<\/p>\n<p>\u867d\u7136\u6ca1\u6709\u5fc5\u8981\u77e5\u9053\u5b83\uff0c\u4f46\u4e0b\u9762\u4f60\u4f1a\u770b\u5230\u4e3a\u4ec0\u4e48\u5b83\u6ca1\u6709\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p>\u5982\u679c\u6211\u4eec\u53d6\u6700\u540e\u4e00\u884c\uff0c\u6211\u4eec\u5c06\u5f97\u5230\u8fd9\u4e2a\u7b49\u5f0f\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-03ecf1cf353eb7dcd6a343a8306df351_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(0 \\ 0 \\ 0 \\ | \\ 2) \\ \\longrightarrow \\ 0z = 2\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"177\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u8fd9\u4e2a\u65b9\u7a0b\u6c38\u8fdc\u4e0d\u4f1a\u88ab\u6ee1\u8db3\uff0c\u56e0\u4e3a\u65e0\u8bba<em>z<\/em>\u53d6\u4ec0\u4e48\u503c\uff0c\u5c06\u5176\u4e58\u4ee5 0 \u6c38\u8fdc\u4e0d\u4f1a\u5f97\u5230 2\uff08\u4efb\u4f55\u6570\u5b57\u4e58\u4ee5 0 \u603b\u662f\u5f97\u5230 0\uff09\u3002\u7531\u4e8e\u8fd9\u4e2a\u65b9\u7a0b\u6c38\u8fdc\u4e0d\u4f1a\u6ee1\u8db3\uff0c\u6240\u4ee5\u7cfb\u7edf\u65e0\u89e3\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u9ad8\u65af\u65b9\u6cd5\u672a\u786e\u5b9a\u7684\u517c\u5bb9\u7cfb\u7edf<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\">\u6bcf\u5f53\u9ad8\u65af\u77e9\u9635\u7684\u4e00\u884c\u88ab0\u586b\u5145\u65f6<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-982c672f4c665a863d3047ebc079aae5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{(0 \\ 0 \\ 0 \\ | \\ 0)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"76\" style=\"vertical-align: -5px;\"><\/p>\n<p>\uff0c\u5b83\u662f\u4e00\u4e2a<strong>SCI<\/strong> \uff08\u4e0d\u786e\u5b9a\u517c\u5bb9\u7cfb\u7edf\uff09\uff0c\u56e0\u6b64\uff0c\u8be5\u7cfb\u7edf<strong>\u6709\u65e0\u9650\u4e2a\u89e3<\/strong>\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u770b\u4e00\u4e2a\u5982\u4f55\u89e3\u51b3 ICS \u7684\u793a\u4f8b\uff1a<\/p>\n<h3 class=\"wp-block-heading\">\u4f8b\u5b50\uff1a<\/h3>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-18a63dfebc1f23923714e475aad2e808_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} x+y+2z=6 \\\\[2ex] 2x+3y-1z=-2 \\\\[2ex] 3x+4y+z=4 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"166\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u4e0e\u5f80\u5e38\u4e00\u6837\uff0c\u6211\u4eec\u9996\u5148\u5236\u4f5c<strong>\u7cfb\u7edf\u7684\u6269\u5c55\u77e9\u9635<\/strong>\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f273040101827fdfea5c9a4858be5567_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} x+y+2z=6 \\\\[2ex] 2x+3y-1z=-2 \\\\[2ex] 3x+4y+z=4 \\end{array} \\right\\} \\ \\longrightarrow \\ \\left( \\begin{array}{ccc|c} 1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 2 &amp; 3 &amp; -1 &amp; -2 \\\\[2ex] 3 &amp; 4 &amp; 1 &amp; 4 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"373\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u73b0\u5728\u6211\u4eec\u5e0c\u671b\u4e3b\u5bf9\u89d2\u7ebf\u4ee5\u4e0b\u7684\u6240\u6709\u6570\u5b57\u90fd\u4e3a 0\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u5c06\u7b2c\u4e00\u884c\u4e58\u4ee5 -2 \u6dfb\u52a0\u5230\u7b2c\u4e8c\u884c\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a5b1c48f6fb4af86886d5388f2b2a0b7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{lrrr|r}  &amp;2 &amp; 3 &amp; -1 &amp; -2  \\\\ + &amp; -2 &amp; -2 &amp; -4 &amp; -12  \\\\ \\hline &amp; 0 &amp; 1 &amp; -5 &amp; -14  \\end{array} \\begin{array}{l} \\color{blue}\\bm{\\leftarrow f_2} \\\\ \\color{blue}\\bm{\\leftarrow -2f_1} \\\\ \\phantom{hline} \\\\ \\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"68\" width=\"295\" style=\"vertical-align: -29px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c889a6f147c6b0430731aa778121af52_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c}  1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 2 &amp; 3 &amp; -1 &amp; -2 \\\\[2ex] 3 &amp; 4 &amp; 1 &amp; 4\\end{array} \\right) \\begin{array}{c}   \\\\[2ex]  \\xrightarrow{f_2 -2f_1}  \\\\[2ex] &amp; \\end{array} \\left( \\begin{array}{ccc|c} 1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 0 &amp; 1 &amp; -5 &amp; -14 \\\\[2ex] 3 &amp; 4 &amp; 1 &amp; 4 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"394\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u8981\u5c06 3 \u8f6c\u6362\u4e3a 0\uff0c\u5728\u7b2c\u4e09\u884c\u4e2d\u6211\u4eec\u6dfb\u52a0\u7b2c\u4e00\u884c\u4e58\u4ee5 -3\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-53df3b7a8935a9c979dc450463a25b1f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{lrrr|r}  &amp; 3 &amp; 4 &amp; 1 &amp; 4 \\\\ + &amp; -3 &amp; -3 &amp; -6 &amp; -18  \\\\  \\hline &amp; 0 &amp; 1 &amp; -5 &amp; -14  \\end{array} \\begin{array}{l} \\color{blue}\\bm{\\leftarrow f_3} \\\\ \\color{blue}\\bm{\\leftarrow -3f_1} \\\\ \\phantom{hline} \\\\ \\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"68\" width=\"295\" style=\"vertical-align: -29px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c5acccc51108267fef6d3320068743aa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c}  1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 0 &amp; 1 &amp; -5 &amp; -14 \\\\[2ex] 3 &amp; 4 &amp; 1 &amp; 4 \\end{array} \\right) \\begin{array}{c}   \\\\[2ex]    \\\\[2ex] \\xrightarrow{f_3 -3f_1} &amp; \\end{array} \\left( \\begin{array}{ccc|c}  1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 0 &amp; 1 &amp; -5 &amp; -14 \\\\[2ex] 0 &amp; 1 &amp; -5 &amp; -14 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"403\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u8981\u5c06\u6700\u540e\u4e00\u884c\u4e2d\u7684 1 \u8f6c\u6362\u4e3a 0\uff0c\u5728\u7b2c\u4e09\u884c\u4e2d\u6211\u4eec\u6dfb\u52a0\u7b2c\u4e8c\u884c\u4e58\u4ee5 -1\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a386320e49668f86c83fa99665df4851_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{lrrr|r}  &amp; 0 &amp; 1 &amp; -5 &amp; -14   \\\\ + &amp; 0 &amp; -1 &amp; 5 &amp; 14  \\\\ \\hline &amp; 0 &amp; 0 &amp; 0 &amp; 0  \\end{array} \\begin{array}{l} \\color{blue}\\bm{\\leftarrow f_3} \\\\ \\color{blue}\\bm{\\leftarrow -1f_2} \\\\ \\phantom{hline} \\\\ \\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"68\" width=\"282\" style=\"vertical-align: -29px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a02e4819adfbe7b80d2952f87f113757_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c}   1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 0 &amp; 1 &amp; -5 &amp; -14 \\\\[2ex] 0 &amp; 1 &amp; -5 &amp; -14 \\end{array} \\right) \\begin{array}{c}   \\\\[2ex]    \\\\[2ex] \\xrightarrow{f_3 -1f_2} &amp; \\end{array} \\left( \\begin{array}{ccc|c}   1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 0 &amp; 1 &amp; -5 &amp; -14 \\\\[2ex] 0 &amp; 0 &amp; 0 &amp; 0 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"403\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u7531\u4e8e<strong>\u6700\u540e\u4e00\u884c\u5168\u4e3a 0<\/strong> \uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5176\u5220\u9664\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6aea469dceab08e6aa62571922eb2824_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 0 &amp; 1 &amp; -5 &amp; -14 \\\\[2ex] 0 &amp; 0 &amp; 0 &amp; 0  \\end{array} \\right) \\ \\longrightarrow \\ \\left( \\begin{array}{ccc|c}   1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 0 &amp; 1 &amp; -5 &amp; -14 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"376\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u7531\u4e8e\u6211\u4eec\u6709\u4e00\u6574\u884c\u90fd\u662f 0\uff0c\u6240\u4ee5\u8fd9\u662f\u4e00\u4e2a<strong>SCI\u3002<\/strong><\/p>\n<p>\u56e0\u6b64\uff0c\u6211\u4eec\u6700\u7ec8\u5f97\u5230\u4ee5\u4e0b\u7cfb\u7edf\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-598c031f4cba5a865952a57ed46f0f95_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c}   1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 0 &amp; 1 &amp; -5 &amp; -14  \\end{array} \\right) \\ \\longrightarrow \\ \\left. \\begin{array}{r} x+y+2z=6 \\\\[2ex] y-5z=-14 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"357\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-background\" style=\"background-color:#dff6ff\">\u5f53\u7cfb\u7edf\u662fSCI\u65f6\uff0c\u9700\u8981\u4ece\u672a\u77e5\u6570\u4e2d\u53d6\u53c2\u6570\u503c<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3002<strong>\u6211\u4eec\u9700\u8981\u6839\u636e\u8fd9\u4e2a\u53c2\u6570\u6765\u6c42\u89e3\u7cfb\u7edf<\/strong><\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ff991fffb1b86160766a7edd85fcb4f2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{\\lambda}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3002<\/p>\n<div class=\"adsb30\" style=\" margin:px; text-align:\"><\/div>\n<p>\u56e0\u6b64\uff0c\u6211\u4eec\u5c06\u503c\u8d4b\u503c\u4e3a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u5230<em>z<\/em> \uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-67f77b7061fcc45e08104094a17ece7f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"z = \\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"43\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u5c3d\u7ba1\u6211\u4eec\u4e5f\u53ef\u4ee5\u9009\u62e9\u4efb\u4f55\u5176\u4ed6\u672a\u77e5\u6570\u6765\u53d6\u503c<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3002<\/p>\n<p>\u73b0\u5728\u6211\u4eec\u5c06<em>y<\/em>\u4ece\u7b2c\u4e8c\u4e2a\u65b9\u7a0b\u4e2d\u5206\u79bb\u51fa\u6765\uff0c\u5e76\u8ba9\u5b83\u6210\u4e3a\u4ee5\u4e0b\u51fd\u6570<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p>\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-adaf77dbbf7d0556e9d53db96af6bef9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-5z=-14 \\ \\xrightarrow{z \\ = \\ \\lambda} \\  y-5(\\lambda )= -14\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"294\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0d7706e1d35463a9926dbc303cb4ab43_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-5\\lambda=-14\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"106\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-32e5a1e5b147d0473cc608b87aa89494_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y =-14+  5\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"105\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u6700\u540e\u6211\u4eec\u4ece\u7b2c\u4e00\u4e2a\u65b9\u7a0b\u4e2d\u5220\u9664<em>x<\/em>\u5e76\u5c06\u5176\u4fdd\u7559\u4e3a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p>\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-71ea139c729093d688e98a581fd329dc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x+y+2z=6 \\ \\xrightarrow{ y \\ = \\ -14 + 5\\lambda \\ ; \\ z \\ = \\  \\lambda } \\ x+ (-14+ 5\\lambda )+2(\\lambda ) = 6\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"484\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-aa2f4abf72f8d384d6767f8c05e565eb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x-14 +5\\lambda +2\\lambda = 6\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"164\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-25822a08cad8c0b1899177dbcdf85545_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=14- 5\\lambda -2\\lambda + 6\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"164\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7314023de779f37d222132402c95b418_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=20- 7\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"92\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u56e0\u6b64\uff0c\u7cfb\u7edf\u89e3\u51b3\u65b9\u6848\u662f\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c67a3cb191f6fadc69e98891cd55b932_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{z = \\lambda} \\qquad \\bm{y =-14+ 5\\lambda } \\qquad \\bm{x=20 - 7\\lambda}\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"311\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u6b63\u5982\u4f60\u6240\u770b\u5230\u7684\uff0c\u5f53\u7cfb\u7edf\u662f SCI \u65f6\uff0c\u6211\u4eec\u6839\u636e\u53c2\u6570\u7559\u4e0b\u89e3\u51b3\u65b9\u6848<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3002\u8bf7\u8bb0\u4f4f\uff0c\u5b83\u6709\u65e0\u9650\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u56e0\u4e3a\u8fd9\u53d6\u51b3\u4e8e\u5b83\u6240\u9700\u8981\u7684\u503c<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p>\uff0c\u89e3\u51b3\u65b9\u6848\u5c06\u662f\u5176\u4e2d\u4e4b\u4e00\u3002<\/p>\n<p>\u5728\u7ee7\u7eed\u8fdb\u884c\u5df2\u89e3\u51b3\u7684\u7ec3\u4e60\u4e4b\u524d\uff0c\u60a8\u5e94\u8be5\u77e5\u9053\uff0c\u867d\u7136\u5728\u672c\u6587\u4e2d\u6211\u4eec\u4f7f\u7528\u9ad8\u65af\u65b9\u6cd5\uff0c\u4f46\u8ba8\u8bba\u548c\u6c42\u89e3\u7ebf\u6027\u65b9\u7a0b\u7ec4\u7684\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f<a href=\"https:\/\/mathority.org\/cn\/\u5fb7\u9c81\u4ec0\u00b7\u5f17\u7f57\u8d1d\u5c3c\u4e4c\u65af\u5b9a\u7406\uff08\u9644\u793a\u4f8b\u548c\u5df2\u89e3\u51b3\u7684\u7ec3\u4e60\uff09\/\">\u9c81\u4ec0\u5b9a\u7406<\/a>\u3002\u4e8b\u5b9e\u4e0a\uff0c\u5b83\u53ef\u80fd\u7528\u5f97\u66f4\u591a\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u4f7f\u7528\u9ad8\u65af-\u4e54\u4e39\u65b9\u6cd5\u89e3\u51b3\u4e86\u8ba8\u8bba\u65b9\u7a0b\u7ec4\u7684\u7ec3\u4e60<\/h2>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-118\"><\/div>\n<\/div>\n<h3 class=\"wp-block-heading\">\u7ec3\u4e601<\/h3>\n<p>\u786e\u5b9a\u6240\u6d89\u53ca\u7684\u7cfb\u7edf\u7c7b\u578b\u5e76\u4f7f\u7528\u9ad8\u65af\u65b9\u6cd5\u6c42\u89e3\u4ee5\u4e0b\u65b9\u7a0b\u7ec4\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-be4ba1bd1ce7452e66c5189d995d948c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} x+y+2z=6 \\\\[2ex] 2x+3y+5z=8 \\\\[2ex] 3x+3y+6z=9  \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"152\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u67e5\u770b\u89e3\u51b3\u65b9\u6848<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u6211\u4eec\u9996\u5148\u8981\u505a\u7684\u662f\u7cfb\u7edf\u7684\u6269\u5c55\u77e9\u9635\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b600f3fc0d79a06eb972dbacb673a780_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} x+y+2z=6 \\\\[2ex] 2x+3y+5z=8 \\\\[2ex] 3x+3y+6z=9 \\end{array} \\right\\}  \\longrightarrow \\left( \\begin{array}{ccc|c} 1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex]  2 &amp; 3 &amp; 5 &amp; 8 \\\\[2ex] 3 &amp; 3 &amp; 6 &amp; 9 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"320\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u73b0\u5728\u6211\u4eec\u9700\u8981\u5c06\u4e3b\u6570\u7ec4\u4e0b\u9762\u7684\u6240\u6709\u6570\u5b57\u90fd\u8bbe\u4e3a 0\u3002<\/p>\n<p class=\"has-text-align-left\">\u56e0\u6b64\uff0c\u6211\u4eec\u6267\u884c\u884c\u64cd\u4f5c\u6765\u53d6\u6d88\u7b2c\u4e00\u5217\u7684\u6700\u540e\u4e24\u9879\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a1d832d5bb115666614ae96822c360eb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex]  2 &amp; 3 &amp; 5 &amp; 8 \\\\[2ex]3 &amp; 3 &amp; 6 &amp; 9 \\end{array} \\right) \\begin{array}{c} \\\\[2ex] \\xrightarrow{f_2 - 2f_1} \\\\[2ex] \\xrightarrow{f_3 - 3f_1}&amp; \\end{array} \\left( \\begin{array}{ccc|c} 1 &amp; 1 &amp; 2 &amp; 6 \\\\[2ex] 0 &amp; 1 &amp; 1 &amp; -4 \\\\[2ex] 0 &amp; 0 &amp; 0 &amp; -9 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"344\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6211\u4eec\u83b7\u5f97\u4e86\u77e9\u9635\u7684\u4e00\u884c\uff0c\u7531\u4e09\u4e2a 0 \u548c\u4e00\u4e2a\u6570\u5b57\u7ec4\u6210\u3002\u56e0\u6b64\u5b83\u662f\u4e00\u4e2a<strong>IS<\/strong> \uff08\u4e0d\u517c\u5bb9\u7cfb\u7edf\uff09\u5e76\u4e14\u8be5\u7cfb\u7edf<strong>\u6ca1\u6709\u89e3\u51b3\u65b9\u6848\u3002<\/strong><\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\u7ec3\u4e602<\/h3>\n<p>\u786e\u5b9a\u7cfb\u7edf\u662f\u4ec0\u4e48\u7c7b\u578b\uff0c\u5e76\u4f7f\u7528\u9ad8\u65af\u65b9\u6cd5\u6c42\u51fa\u4ee5\u4e0b\u65b9\u7a0b\u7ec4\u7684\u89e3\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7f5aba495f2c6a301e923ee3c6238012_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} x-2y+3z=1 \\\\[2ex] -2x+5y-z=5 \\\\[2ex] -x+3y+2z=6 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"156\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u67e5\u770b\u89e3\u51b3\u65b9\u6848<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u6211\u4eec\u9996\u5148\u8981\u505a\u7684\u662f\u7cfb\u7edf\u7684\u6269\u5c55\u77e9\u9635\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f8bb5e5ab85946bddad72067fe17d937_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} x-2y+3z=1 \\\\[2ex] -2x+5y-z=5 \\\\[2ex] -x+3y+2z=6  \\end{array} \\right\\}  \\longrightarrow \\left( \\begin{array}{ccc|c} 1 &amp; -2 &amp; 3 &amp; 1 \\\\[2ex]  -2 &amp; 5 &amp; -1 &amp; 5 \\\\[2ex] -1 &amp; 3 &amp; 2 &amp; 6 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"365\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u73b0\u5728\u6211\u4eec\u9700\u8981\u5c06\u4e3b\u6570\u7ec4\u4e0b\u9762\u7684\u6240\u6709\u6570\u5b57\u90fd\u8bbe\u4e3a 0\u3002<\/p>\n<p class=\"has-text-align-left\">\u56e0\u6b64\uff0c\u6211\u4eec\u6267\u884c\u884c\u64cd\u4f5c\u6765\u53d6\u6d88\u7b2c\u4e00\u5217\u7684\u6700\u540e\u4e24\u9879\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-83e48becaaa6683719ac57eb7d118943_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 1 &amp; -2 &amp; 3 &amp; 1 \\\\[2ex]  -2 &amp; 5 &amp; -1 &amp; 5 \\\\[2ex] -1 &amp; 3 &amp; 2 &amp; 6 \\end{array} \\right) \\begin{array}{c} \\\\[2ex] \\xrightarrow{f_2 + 2f_1} \\\\[2ex] \\xrightarrow{f_3 + f_1}  \\end{array} \\left( \\begin{array}{ccc|c} 1 &amp; -2 &amp; 3 &amp; 1 \\\\[2ex] 0 &amp; 1 &amp; 5 &amp; 7 \\\\[2ex] 0 &amp; 1 &amp; 5 &amp; 7 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"385\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u73b0\u5728\u8ba9\u6211\u4eec\u5c1d\u8bd5\u4ece\u7b2c\u4e8c\u5217\u4e2d\u5220\u9664\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-16a1afc0eb224ee5f05c9e313586854d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c}1 &amp; -2 &amp; 3 &amp; 1 \\\\[2ex] 0 &amp; 1 &amp; 5 &amp; 7 \\\\[2ex] 0 &amp; 1 &amp; 5 &amp; 7  \\end{array} \\right) \\begin{array}{c} \\\\[2ex]  \\\\[2ex] \\xrightarrow{f_3 -f_2} \\end{array} \\left( \\begin{array}{ccc|c} 1 &amp; -2 &amp; 3 &amp; 1 \\\\[2ex] 0 &amp; 1 &amp; 5 &amp; 7 \\\\[2ex] 0 &amp; 0 &amp; 0 &amp; 0 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"351\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u4f46\u6211\u4eec\u5f97\u5230\u4e86\u4e00\u6574\u884c 0\u3002\u6240\u4ee5\u8fd9\u662f\u4e00\u7bc7<strong>SCI<\/strong> \uff0c\u7cfb\u7edf\u6709<strong>\u65e0\u7a77\u591a\u4e2a\u89e3\u3002<\/strong><\/p>\n<p class=\"has-text-align-left\">\u4f46\u65e2\u7136\u662fICS\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u7cfb\u7edf\u6765\u89e3\u51b3<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3002\u56e0\u6b64\u6211\u4eec\u5220\u9664 0 \u884c\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5c838c5f1b229d4c8a43ac9ddd8e3629_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 1 &amp; -2 &amp; 3 &amp; 1 \\\\[2ex] 0 &amp; 1 &amp; 5 &amp; 7 \\\\[2ex] 0 &amp; 0 &amp; 0 &amp; 0 \\end{array} \\right) \\ \\longrightarrow \\ \\left( \\begin{array}{ccc|c} 1 &amp; -2 &amp; 3 &amp; 1 \\\\[2ex] 0 &amp; 1 &amp; 5 &amp; 7 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"331\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u73b0\u5728\u6211\u4eec\u5c06\u77e9\u9635\u8868\u793a\u4e3a\u5177\u6709\u672a\u77e5\u6570\u7684\u65b9\u7a0b\u7ec4\u7684\u5f62\u5f0f\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b3fd941d33fec646d16b8181430c9986_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 1 &amp; -2 &amp; 3 &amp; 1 \\\\[2ex] 0 &amp; 1 &amp; 5 &amp; 7  \\end{array} \\right) \\ \\longrightarrow \\ \\left. \\begin{array}{r} 1x-2y+3z=1 \\\\[2ex] 1y+5z=7 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"352\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6211\u4eec\u7ed9\u51fa\u7684\u503c\u662f<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u4e3a\u4e86<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-bc71729520f0274771a717ce2c320783_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"z :\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"18\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-abcd65ca2a131b846dcf56a5af3e8288_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{z = \\lambda}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"43\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6211\u4eec\u5c06\u503c\u66ff\u6362\u4e3a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"z\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u5728\u7b2c\u4e8c\u4e2a\u65b9\u7a0b\u4e2d\u627e\u5230\u503c<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a70e6a4387a816f153e8597195143f54_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y :\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"18\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ef9d3e908b97a8fa0fc67ffbc41e1b9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"1y+5z=7 \\ \\xrightarrow{z \\ = \\ \\lambda} \\ 1y+5(\\lambda )=7\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"265\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c7b130da4f2704ffbf775f40ee7a3d5d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y+5\\lambda =7\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"83\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-88c6088a22d57673e995b351f06c1e0d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{y=7-5\\lambda}\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"82\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6211\u4eec\u5bf9\u7b2c\u4e00\u4e2a\u65b9\u7a0b\u505a\u540c\u6837\u7684\u4e8b\u60c5\uff1a\u6211\u4eec\u66ff\u6362\u5176\u4ed6\u672a\u77e5\u6570\u7684\u503c\u5e76\u5220\u9664<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0a2431573b3a6b42537cbb0647aae6db_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x :\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"19\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a42277e0281993d410553779736ed6ee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"1x-2y+3z=1 \\ \\xrightarrow{y \\ = \\ 7-5\\lambda \\ ; \\ z \\ = \\ \\lambda} \\ 1x-2(7-5\\lambda )+3(\\lambda )=1\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"477\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8160e68cd793ee02ea9bdf693739d9de_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x-14+10\\lambda+3\\lambda=1\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"172\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2d0cc29914223f805421366e5a6163e8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=1+14-10\\lambda-3\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"172\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ba56c9f5b4e3df85c8487bbf22c468f8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x=15-13\\lambda}\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"101\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u56e0\u6b64\uff0c\u65b9\u7a0b\u7ec4\u7684\u89e3\u4e3a\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1457d59269c1eecd481f141507f7ca94_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x=15-13\\lambda} \\qquad \\bm{y=7-5\\lambda} \\qquad \\bm{z = \\lambda}\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"298\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-119\"><\/div>\n<\/div>\n<h3 class=\"wp-block-heading\">\u7ec3\u4e603<\/h3>\n<p>\u627e\u51fa\u5b83\u662f\u4ec0\u4e48\u7c7b\u578b\u7684\u7cfb\u7edf\uff0c\u5e76\u7528\u9ad8\u65af\u65b9\u6cd5\u6c42\u89e3\u4ee5\u4e0b\u65b9\u7a0b\u7ec4\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b04370b42854e53c650ca0eae14aadb5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} 4x-4y+z=-4 \\\\[2ex] x+3y+z=2 \\\\[2ex] x+5y+2z=6 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"157\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u67e5\u770b\u89e3\u51b3\u65b9\u6848<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u6211\u4eec\u9996\u5148\u8981\u505a\u7684\u662f\u7cfb\u7edf\u7684\u6269\u5c55\u77e9\u9635\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ff2c7644e19fdf405f3c5c42ffc0ee98_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} 4x-4y+z=-4 \\\\[2ex] x+3y+z=2 \\\\[2ex] x+5y+2z=6\\end{array} \\right\\}  \\longrightarrow \\left( \\begin{array}{ccc|c} 4 &amp; -4 &amp; 1 &amp; -4 \\\\[2ex]  1 &amp; 3 &amp; 1 &amp; 2 \\\\[2ex] 1 &amp; 5 &amp; 2 &amp; 6 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"352\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u8981\u5e94\u7528\u9ad8\u65af\u65b9\u6cd5\uff0c\u5982\u679c\u7b2c\u4e00\u884c\u4e2d\u7684\u7b2c\u4e00\u4e2a\u6570\u5b57\u662f 1 \u4f1a\u66f4\u7b80\u5355\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u5c06\u66f4\u6539\u7b2c 1 \u884c\u548c\u7b2c 2 \u884c\u7684\u987a\u5e8f\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-471d89605d4bf6ddef1896a8fbe4c5ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 4 &amp; -4 &amp; 1 &amp; -4 \\\\[2ex]  1 &amp; 3 &amp; 1 &amp; 2 \\\\[2ex] 1 &amp; 5 &amp; 2 &amp; 6 \\end{array} \\right) \\begin{array}{c} \\xrightarrow{f_1 \\rightarrow f_2} \\\\[2ex] \\xrightarrow{f_2 \\rightarrow f_1} \\\\[2ex] &amp; \\end{array} \\left( \\begin{array}{ccc|c} 1 &amp; 3 &amp; 1 &amp; 2  \\\\[2ex] 4 &amp; -4 &amp; 1 &amp; -4 \\\\[2ex] 1 &amp; 5 &amp; 2 &amp; 6  \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"101\" width=\"381\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u73b0\u5728\u6211\u4eec\u9700\u8981\u5c06\u4e3b\u6570\u7ec4\u4e0b\u9762\u7684\u6240\u6709\u6570\u5b57\u90fd\u8bbe\u4e3a 0\u3002<\/p>\n<p class=\"has-text-align-left\">\u56e0\u6b64\uff0c\u6211\u4eec\u6267\u884c\u884c\u64cd\u4f5c\u6765\u53d6\u6d88\u7b2c\u4e00\u5217\u7684\u6700\u540e\u4e24\u9879\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f4d5cbc50b87927077018175c4678e90_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c}  1 &amp; 3 &amp; 1 &amp; 2  \\\\[2ex] 4 &amp; -4 &amp; 1 &amp; -4 \\\\[2ex] 1 &amp; 5 &amp; 2 &amp; 6 \\end{array} \\right) \\begin{array}{c} \\\\[2ex] \\xrightarrow{f_2 - 4f_1} \\\\[2ex] \\xrightarrow{f_3 -f_1} \\end{array} \\left( \\begin{array}{ccc|c}  1 &amp; 3 &amp; 1 &amp; 2  \\\\[2ex] 0 &amp; -16 &amp; -3 &amp; -12 \\\\[2ex] 0 &amp; 2 &amp; 1 &amp; 4 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"417\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u73b0\u5728\u6211\u4eec\u5c06\u7b2c\u4e8c\u5217\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u8f6c\u6362\u4e3a\u96f6\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9013720883fd719e2bd0779bfbaa7a9f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c}1 &amp; 3 &amp; 1 &amp; 2  \\\\[2ex] 0 &amp; -16 &amp; -3 &amp; -12 \\\\[2ex] 0 &amp; 2 &amp; 1 &amp; 4   \\end{array} \\right) \\begin{array}{c} \\\\[2ex]  \\\\[2ex] \\xrightarrow{8f_3 + f_2} \\end{array} \\left( \\begin{array}{ccc|c}1 &amp; 3 &amp; 1 &amp; 2  \\\\[2ex] 0 &amp; -16 &amp; -3 &amp; -12 \\\\[2ex] 0 &amp; 0 &amp; 5 &amp; 20 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"448\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u8be5\u7cfb\u7edf\u662f<strong>SCD<\/strong> \uff0c\u56e0\u4e3a\u6211\u4eec\u8bbe\u6cd5\u4f7f\u77e9\u9635\u79fb\u4f4d\u5e76\u4e14\u6700\u540e\u4e00\u884c\u7684\u7c7b\u578b<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5d701f6e0afb7579229228d226ee2186_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(0 \\ 0 \\ n \\ | \\ m)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"85\" style=\"vertical-align: -5px;\"><\/p>\n<p>\u3002\u56e0\u6b64\uff0c\u5b83\u4f1a\u6709<strong>\u4e00\u4e2a\u72ec\u7279\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/strong><\/p>\n<p class=\"has-text-align-left\">\u4e00\u65e6\u4e3b\u5bf9\u89d2\u7ebf\u4ee5\u4e0b\u7684\u6240\u6709\u6570\u5b57\u90fd\u4e3a 0\uff0c\u6211\u4eec\u73b0\u5728\u5c31\u53ef\u4ee5\u6c42\u89e3\u65b9\u7a0b\u7ec4\u4e86\u3002\u4e3a\u6b64\uff0c\u6211\u4eec\u518d\u6b21\u4ee5\u672a\u77e5\u6570\u65b9\u7a0b\u7ec4\u7684\u5f62\u5f0f\u8868\u793a\u77e9\u9635\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0f0433738d5d0a22bdd3b04dbd44fd1e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 1 &amp; 3 &amp; 1 &amp; 2  \\\\[2ex] 0 &amp; -16 &amp; -3 &amp; -12 \\\\[2ex] 0 &amp; 0 &amp; 5 &amp; 20 \\end{array} \\right) \\ \\longrightarrow \\ \\left. \\begin{array}{r} x+3y+1z=2 \\\\[2ex] -16y-3z=-12 \\\\[2ex] 5z=20 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"402\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6211\u4eec\u4ece\u4e0b\u5230\u4e0a\u6c42\u89e3\u65b9\u7a0b\u7684\u672a\u77e5\u6570\u3002\u6211\u4eec\u9996\u5148\u6c42\u89e3\u6700\u540e\u4e00\u4e2a\u65b9\u7a0b\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a71cace2e71d01970e94195b1c2ffe8b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"5z=20\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"60\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f4bbdadf2ee34baa77ffe1e658850927_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{z}=\\cfrac{20}{5} = \\bm{4}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"85\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u73b0\u5728\u6211\u4eec\u5c06 z \u7684\u503c\u4ee3\u5165\u7b2c\u4e8c\u4e2a\u65b9\u7a0b\u6765\u6c42 y \u7684\u503c\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-77c84cccb610ceeb681601f6a4805fd5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-16y-3z=-12 \\ \\xrightarrow{z \\ = \\ 4} \\ -16y-3(4)=-12\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"352\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-72b89c805a36e7f423b722a176cdf7d8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-16y-12=-12\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"134\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-41071516425cd346030975b58a32ebd4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-16y=-12+12\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"134\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b8d50f9873947a16018789af09740e00_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-16y=0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"72\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-30a6ccf8b222af4383b58c7f5fc166b2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{y}=\\cfrac{0}{-16}= \\bm{0}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"99\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6211\u4eec\u5bf9\u7b2c\u4e00\u4e2a\u65b9\u7a0b\u505a\u540c\u6837\u7684\u4e8b\u60c5\uff1a\u6211\u4eec\u66ff\u6362\u5176\u4ed6\u672a\u77e5\u6570\u7684\u503c\u5e76\u6c42\u89e3 x\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6f5523088917941892ceaefd1f6ce733_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x+3y+1z=2  \\ \\xrightarrow{y \\ = \\ 0 \\ ; \\ z \\ = \\ 4} \\ x+3(0)+1(4)=2\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"391\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-88d555fb46e6615b9885d98abc17a0ef_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x+0+4=2\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"103\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2a1137f222574a52be67af062fadde9f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=2-4\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"73\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6505a1b32f86c9deb3ab0716f13c3949_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x=-2}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"56\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u56e0\u6b64\uff0c\u65b9\u7a0b\u7ec4\u7684\u89e3\u4e3a\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6ac2b4e4cbdb1d0f8b4f92bfd5d6bb33_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x=-2} \\qquad \\bm{y=0} \\qquad \\bm{z=4}\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"211\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\u7ec3\u4e604<\/h3>\n<p>\u5224\u65ad\u7cfb\u7edf\u662f\u4ec0\u4e48\u7c7b\u578b\uff0c\u5e76\u7528\u9ad8\u65af\u6cd5\u6c42\u89e3\u4e0b\u5217\u65b9\u7a0b\u7ec4\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4e8a133547b4719d7833a792550fd322_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} x-y+4z=2 \\\\[2ex] -3x-3y+3z=7 \\\\[2ex] -2x-4y+7z=9 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"165\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u67e5\u770b\u89e3\u51b3\u65b9\u6848<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u6211\u4eec\u9996\u5148\u8981\u505a\u7684\u662f\u7cfb\u7edf\u7684\u6269\u5c55\u77e9\u9635\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-cc41f78456a922a0fbff419d336b0b46_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{r} x-y+4z=2 \\\\[2ex] -3x-3y+3z=7 \\\\[2ex] -2x-4y+7z=9  \\end{array} \\right\\}  \\longrightarrow \\left( \\begin{array}{ccc|c}1 &amp; -1 &amp; 4 &amp; 2 \\\\[2ex]  -3 &amp; -3 &amp; 3 &amp; 7 \\\\[2ex] -2 &amp; -4 &amp; 7 &amp; 9\\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"360\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u73b0\u5728\u6211\u4eec\u9700\u8981\u5c06\u4e3b\u6570\u7ec4\u4e0b\u9762\u7684\u6240\u6709\u6570\u5b57\u90fd\u8bbe\u4e3a 0\u3002<\/p>\n<p class=\"has-text-align-left\">\u56e0\u6b64\uff0c\u6211\u4eec\u6267\u884c\u884c\u64cd\u4f5c\u6765\u53d6\u6d88\u7b2c\u4e00\u5217\u7684\u6700\u540e\u4e24\u9879\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ff92912f653c6aca7ceb7c990c9635a3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 1 &amp; -1 &amp; 4 &amp; 2 \\\\[2ex]  -3 &amp; -3 &amp; 3 &amp; 7 \\\\[2ex] -2 &amp; -4 &amp; 7 &amp; 9\\end{array} \\right) \\begin{array}{c} \\\\[2ex] \\xrightarrow{f_2 + 3f_1} \\\\[2ex] \\xrightarrow{f_3 + 2f_1} \\end{array} \\left( \\begin{array}{ccc|c} 1 &amp; -1 &amp; 4 &amp; 2 \\\\[2ex] 0 &amp; -6 &amp; 15 &amp; 13\\\\[2ex] 0 &amp; -6 &amp; 15 &amp; 13\\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"389\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u73b0\u5728\u8ba9\u6211\u4eec\u5c1d\u8bd5\u4ece\u7b2c\u4e8c\u5217\u4e2d\u5220\u9664\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3c6904a64a721f3a92bef8c6b7d713cf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c}1 &amp; -1 &amp; 4 &amp; 2 \\\\[2ex] 0 &amp; -6 &amp; 15 &amp; 13\\\\[2ex] 0 &amp; -6 &amp; 15 &amp; 13\\end{array} \\right) \\begin{array}{c} \\\\[2ex]  \\\\[2ex] \\xrightarrow{f_3 -1f_2} \\end{array} \\left( \\begin{array}{ccc|c} 1 &amp; -1 &amp; 4 &amp; 2 \\\\[2ex] 0 &amp; -6 &amp; 15 &amp; 13\\\\[2ex] 0 &amp; 0 &amp; 0 &amp; 0 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"98\" width=\"393\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u4f46\u6211\u4eec\u5f97\u5230\u4e86\u4e00\u6574\u884c 0\u3002\u6240\u4ee5\u8fd9\u662f\u4e00\u7bc7<strong>SCI<\/strong> \uff0c\u7cfb\u7edf\u6709<strong>\u65e0\u7a77\u591a\u4e2a\u89e3\u3002<\/strong><\/p>\n<p class=\"has-text-align-left\">\u4f46\u65e2\u7136\u662fICS\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u7cfb\u7edf\u6765\u89e3\u51b3<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3002\u56e0\u6b64\u6211\u4eec\u5220\u9664 0 \u884c\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6d856e2c1246f3629d68a7bcd3cd759a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 1 &amp; -1 &amp; 4 &amp; 2 \\\\[2ex] 0 &amp; -6 &amp; 15 &amp; 13\\\\[2ex] 0 &amp; 0 &amp; 0 &amp; 0 \\end{array} \\right) \\ \\longrightarrow \\ \\left( \\begin{array}{ccc|c} 1 &amp; -1 &amp; 4 &amp; 2 \\\\[2ex] 0 &amp; -6 &amp; 15 &amp; 13 \\end{array} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"97\" width=\"366\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u73b0\u5728\u6211\u4eec\u5c06\u77e9\u9635\u8868\u793a\u4e3a\u5177\u6709\u672a\u77e5\u6570\u7684\u65b9\u7a0b\u7ec4\u7684\u5f62\u5f0f\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a4cf1265bfc12f94580de183230c8b7c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left( \\begin{array}{ccc|c} 1 &amp; -1 &amp; 4 &amp; 2 \\\\[2ex] 0 &amp; -6 &amp; 15 &amp; 13 \\end{array} \\right) \\ \\longrightarrow \\ \\left. \\begin{array}{r} 1x-1y+4z=2 \\\\[2ex] -6y+15z=13 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"370\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6211\u4eec\u7ed9\u51fa\u7684\u503c\u662f<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b5c45836864531b8e37025dabadd24a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u4e3a\u4e86<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-bc71729520f0274771a717ce2c320783_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"z :\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"18\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-abcd65ca2a131b846dcf56a5af3e8288_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{z = \\lambda}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"43\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u6211\u4eec\u5c06\u503c\u66ff\u6362\u4e3a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"z\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u5728\u7b2c\u4e8c\u4e2a\u65b9\u7a0b\u4e2d\u627e\u5230\u503c<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a70e6a4387a816f153e8597195143f54_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y :\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"18\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-505fd2d7f1d3de194527308d053c4588_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-6y+15z=13 \\ \\xrightarrow{z \\ = \\ \\lambda} \\ -6y+15(\\lambda )=13\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"328\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-28edac5e241772779578f73cf500c7ac_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-6y+15\\lambda =13\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"122\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4bd3cf3776b4e1ef1495979ad265bbd3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-6y =13-15\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"122\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-077278683cc8adf383b53504ee01f6af_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{y =} \\mathbf{\\cfrac{13-15\\lambda }{-6}}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"103\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6211\u4eec\u5bf9\u7b2c\u4e00\u4e2a\u65b9\u7a0b\u505a\u540c\u6837\u7684\u4e8b\u60c5\uff1a\u6211\u4eec\u66ff\u6362\u5176\u4ed6\u672a\u77e5\u6570\u7684\u503c\u5e76\u5220\u9664<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0a2431573b3a6b42537cbb0647aae6db_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x :\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"19\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5e5a39e7562e2bf3d3b969f5db5294f6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"1x-1y+4z=2 \\ \\xrightarrow{y \\ = \\ \\frac{13-15\\lambda }{-6} \\ ; \\ z \\ = \\ \\lambda} \\ 1x-1\\left(\\cfrac{13-15\\lambda }{-6} \\right)+4(\\lambda)=2\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"526\" style=\"vertical-align: -23px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0dde1c51e85f2547d89aa435671f9f80_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x-\\cfrac{13-15\\lambda }{-6} +4\\lambda=2\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"174\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3493f037522f90054e681e659ebe4a43_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=2+\\cfrac{13-15\\lambda }{-6} -4\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"174\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6211\u4eec\u6709\u4e00\u4e2a\u5e26\u5206\u6570\u7684\u548c\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u5c06\u6240\u6709\u9879\u7b80\u5316\u4e3a\u4e00\u4e2a\u516c\u5206\u6bcd\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-47d211adb8dac8be1f446457d37313f6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=\\cfrac{-6 \\cdot 2}{-6}+\\cfrac{13-15\\lambda }{-6} -\\cfrac{-6 \\cdot 4 \\lambda}{-6}\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"266\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9a5bf6ea2922cec38e35f9448285dfa9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=\\cfrac{-12}{-6}+\\cfrac{13-15\\lambda }{-6} -\\cfrac{-24 \\lambda}{-6}\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"240\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u7531\u4e8e\u5b83\u4eec\u73b0\u5728\u90fd\u6709\u76f8\u540c\u7684\u5206\u6bcd\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5b83\u4eec\u5206\u7ec4\u4e3a\u4e00\u4e2a\u5206\u6570\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-21d28bc7a89872df5d1bfbcb2889898c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=\\cfrac{-12+13-15\\lambda-(-24 \\lambda) }{-6}\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"242\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6700\u540e\u6211\u4eec\u5bf9\u5206\u5b50\u8fdb\u884c\u64cd\u4f5c\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9d1cba1b643fbb1bfed40441b1c51c34_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=\\cfrac{-12+13-15\\lambda+24 \\lambda }{-6}\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"215\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e99f60f5d3036dcf3151e112a16bbfdc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x=}\\mathbf{\\cfrac{1+9\\lambda }{-6} }\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"84\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u56e0\u6b64\uff0c\u65b9\u7a0b\u7ec4\u7684\u89e3\u4e3a\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2c43d0a3db9ba3aabcd68aafb4c781cd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x=15-13\\lambda} \\qquad \\bm{y =} \\mathbf{\\cfrac{13-15\\lambda }{-6}} \\qquad \\bm{z = \\lambda}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"318\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u4e86\u89e3\u5982\u4f55\u901a\u8fc7\u9ad8\u65af-\u4e54\u4e39\u6cd5\u8ba8\u8bba\u548c\u6c42\u89e3\u65b9\u7a0b\u7ec4\u3002\u5373\u5224\u65ad\u662f\u786e\u5b9a\u517c\u5bb9\u7cfb\u7edf(DCS)\u3001\u4e0d\u786e\u5b9a\u517c\u5bb9\u7cfb\u7edf(IC &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/cn\/%e4%bd%bf%e7%94%a8%e9%ab%98%e6%96%af%e6%96%b9%e6%b3%95%e8%ae%a8%e8%ae%ba%e6%96%b9%e7%a8%8b%e7%bb%84%e5%b9%b6%e8%a7%a3%e5%86%b3%e7%bb%83%e4%b9%a0\/\"> <span class=\"screen-reader-text\">\u4f7f\u7528\u9ad8\u65af\u65b9\u6cd5\u8ba8\u8bba\u65b9\u7a0b\u7ec4<\/span> \u67e5\u770b\u5168\u6587 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