{"id":334,"date":"2023-07-06T02:49:35","date_gmt":"2023-07-06T02:49:35","guid":{"rendered":"https:\/\/mathority.org\/cn\/%e5%af%b9%e7%a7%b0%e7%9f%a9%e9%98%b5%e7%a4%ba%e4%be%8b%e5%92%8c%e6%80%a7%e8%b4%a8\/"},"modified":"2023-07-06T02:49:35","modified_gmt":"2023-07-06T02:49:35","slug":"%e5%af%b9%e7%a7%b0%e7%9f%a9%e9%98%b5%e7%a4%ba%e4%be%8b%e5%92%8c%e6%80%a7%e8%b4%a8","status":"publish","type":"post","link":"https:\/\/mathority.org\/cn\/%e5%af%b9%e7%a7%b0%e7%9f%a9%e9%98%b5%e7%a4%ba%e4%be%8b%e5%92%8c%e6%80%a7%e8%b4%a8\/","title":{"rendered":"\u5bf9\u79f0\u77e9\u9635"},"content":{"rendered":"<p>\u5728\u6b64\u9875\u9762\u4e0a\uff0c\u60a8\u5c06\u627e\u5230\u5bf9\u79f0\u77e9\u9635\u7684\u89e3\u91ca\u3002\u53e6\u5916\uff0c\u6211\u4eec\u8fd8\u5411\u60a8\u5c55\u793a\u5982\u4f55\u5feb\u901f\u8bc6\u522b\u77e9\u9635\u4f55\u65f6\u5bf9\u79f0\uff0c\u5e76\u63d0\u4f9b\u51e0\u4e2a\u793a\u4f8b\uff0c\u8ba9\u60a8\u6beb\u65e0\u7591\u95ee\u3002\u60a8\u8fd8\u5c06\u53d1\u73b0\u5bf9\u79f0\u77e9\u9635\u7684\u6240\u6709\u5c5e\u6027\u3002\u6700\u540e\uff0c\u6211\u4eec\u89e3\u91ca\u4efb\u4f55\u65b9\u9635\u90fd\u5177\u6709\u7684\u4e00\u4e2a\u7279\u6b8a\u7279\u5f81\uff1a\u5b83\u53ef\u4ee5\u5206\u89e3\u4e3a\u5bf9\u79f0\u77e9\u9635\u548c\u53cd\u5bf9\u79f0\u77e9\u9635\u7684\u548c\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u4ec0\u4e48\u662f\u5bf9\u79f0\u77e9\u9635\uff1f<\/h2>\n<p>\u5bf9\u79f0\u77e9\u9635\u7684\u5b9a\u4e49\u5982\u4e0b\uff1a <\/p>\n<div style=\"background-color:#dff6ff;padding-top: 20px; padding-bottom: 0.5px; padding-right: 40px; padding-left: 30px\" class=\"has-background\">\n<p style=\"text-align:left\"><strong>\u5bf9\u79f0\u77e9\u9635<\/strong>\u662f\u4e00\u4e2a\u65b9\u9635\uff0c\u5176\u8f6c\u7f6e\u7b49\u4e8e\u77e9\u9635\u672c\u8eab\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-9d91251629a6f0241682eed5c4d82847_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A^t = A\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"56\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p style=\"text-align:left\">\u91d1\u5b50<\/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-afd3cedfe0f405ed9f2d585b5ac1d8cb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A^t\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"18\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u8868\u793a\u8f6c\u7f6e\u77e9\u9635<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-25b206f25506e6d6f46be832f7119ffa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"13\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3002<\/p>\n<\/div>\n<p>\u4e00\u65e6\u6211\u4eec\u77e5\u9053\u4e86\u5bf9\u79f0\u77e9\u9635\u7684\u6982\u5ff5\uff0c\u6211\u4eec\u5c31\u4f1a\u770b\u5230\u5982\u4f55\u8f7b\u677e\u8bc6\u522b\u4efb\u4f55\u5bf9\u79f0\u77e9\u9635\uff1a<\/p>\n<h2 class=\"wp-block-heading\">\u77e9\u9635\u4f55\u65f6\u5bf9\u79f0\uff1f<\/h2>\n<p>\u8ba4\u8bc6\u5bf9\u79f0\u77e9\u9635\u7684\u7ed3\u6784\u975e\u5e38\u7b80\u5355\uff1a\u7b2c<em>i<\/em>\u884c<em>j<\/em>\u5217\u7684\u5143\u7d20\u5fc5\u987b\u4e0e<em>\u7b2c j<\/em>\u884c<em>i<\/em>\u5217\u7684\u5143\u7d20\u76f8\u540c\u3002\u5e76\u4e14\u77e9\u9635\u4e3b\u5bf9\u89d2\u7ebf\u7684\u503c\u53ef\u4ee5\u662f\u4efb\u610f\u7684\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u5bf9\u79f0\u77e9\u9635\u7684\u793a\u4f8b<\/h2>\n<p>\u4e0b\u9762\u4e3e\u51e0\u4e2a\u5bf9\u79f0\u77e9\u9635\u7684\u4f8b\u5b50\u6765\u5e2e\u52a9\u4f60\u7406\u89e3\uff1a<\/p>\n<p class=\"has-text-align-center has-text-color has-medium-font-size\" style=\"color:#1976d2\"> <span style=\"text-decoration: underline;\">2 \u00d7 2 \u9636\u5bf9\u79f0\u77e9\u9635\u7684\u793a\u4f8b<\/span><\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/exemple-de-matrice-symetrique-de-dimension-22152-1.webp\" alt=\"\u7ef4\u5ea6 2x2 \u7684\u5bf9\u79f0\u77e9\u9635\u7684\u793a\u4f8b\" class=\"wp-image-3524\" width=\"77\" height=\"71\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p class=\"has-text-align-center has-text-color has-medium-font-size\" style=\"color:#1976d2\"><span style=\"text-decoration: underline;\">\u7ef4\u5ea6\u4e3a 3\u00d73 \u7684\u5bf9\u79f0\u77e9\u9635\u7684\u793a\u4f8b<\/span><\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/exemple-de-matrice-tridimensionnelle-symetrique3-1.webp\" alt=\"\u7ef4\u5ea6\u4e3a 3x3 \u7684\u5bf9\u79f0\u77e9\u9635\u7684\u793a\u4f8b\" class=\"wp-image-3525\" width=\"112\" height=\"118\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p class=\"has-text-align-center has-text-color has-medium-font-size\" style=\"color:#1976d2\"><span style=\"text-decoration: underline;\">\u5927\u5c0f\u4e3a 4\u00d74 \u7684\u5bf9\u79f0\u77e9\u9635\u7684\u793a\u4f8b<\/span><\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/exemple-de-matrice-symetrique-de-dimension-42154-1.webp\" alt=\"\u5c3a\u5bf8\u4e3a 4x4 \u7684\u5bf9\u79f0\u77e9\u9635\u7684\u793a\u4f8b\" class=\"wp-image-3526\" width=\"206\" height=\"138\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u901a\u8fc7\u8f6c\u7f6e\u8fd9\u4e09\u4e2a\u77e9\u9635\uff0c\u6211\u4eec\u9a8c\u8bc1\u5b83\u4eec\u662f\u5bf9\u79f0\u7684\uff0c\u56e0\u4e3a\u8f6c\u7f6e\u77e9\u9635\u76f8\u5f53\u4e8e\u5b83\u4eec\u5404\u81ea\u7684\u539f\u59cb\u77e9\u9635\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u53eb\u5bf9\u79f0\u77e9\u9635\u5462\uff1f<\/h2>\n<p>\u5982\u679c\u4ed4\u7ec6\u89c2\u5bdf\u524d\u9762\u7684\u793a\u4f8b\uff0c\u5bf9\u79f0\u77e9\u9635\u7684\u4e3b\u5bf9\u89d2\u7ebf\u662f\u5bf9\u79f0\u8f74\uff0c\u6216\u8005\u6362\u53e5\u8bdd\u8bf4\uff0c\u5b83\u5145\u5f53\u5bf9\u89d2\u7ebf\u4e0a\u65b9\u6570\u5b57\u548c\u4e0b\u65b9\u6570\u5b57\u4e4b\u95f4\u7684\u955c\u5b50\u3002\u56e0\u6b64\uff0c\u8fd9\u4e9b\u7c7b\u578b\u7684\u77e9\u9635\u79f0\u4e3a\u5bf9\u79f0\u77e9\u9635\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u5bf9\u79f0\u77e9\u9635\u7684\u6027\u8d28<\/h2>\n<p>\u5bf9\u79f0\u77e9\u9635\u7684\u7279\u70b9\u5982\u4e0b\uff1a<\/p>\n<div class=\"adsb30\" style=\" margin:px; text-align:\"><\/div>\n<ul>\n<li>\u4e24\u4e2a\u5bf9\u79f0\u77e9\u9635\u76f8\u52a0\uff08\u6216\u76f8\u51cf\uff09\u5f97\u5230\u53e6\u4e00\u4e2a\u5bf9\u79f0\u77e9\u9635\u3002\u7531\u4e8e\u8f6c\u7f6e\u4e24\u4e2a\u76f8\u52a0\uff08\u6216\u76f8\u51cf\uff09\u7684\u77e9\u9635\u76f8\u5f53\u4e8e\u5206\u522b\u8f6c\u7f6e\u6bcf\u4e2a\u77e9\u9635\uff1a<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9942bb6c2d0b3b406e42f6b1365e7151_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\left(A+B\\right)^t = A^t+B^t = A+B\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"225\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul>\n<li>\u4efb\u4f55\u5bf9\u79f0\u77e9\u9635\u4e58\u4ee5\u6807\u91cf\u4e5f\u4f1a\u4ea7\u751f\u53e6\u4e00\u4e2a\u5bf9\u79f0\u77e9\u9635\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u540c\u6837\uff0c\u4e24\u4e2a\u5bf9\u79f0\u77e9\u9635\u4e4b\u95f4\u7684\u77e9\u9635\u4e58\u79ef\u5e76\u4e0d\u603b\u662f\u7b49\u4e8e\u53e6\u4e00\u4e2a\u5bf9\u79f0\u77e9\u9635\uff0c\u53ea\u6709\u5f53\u4e14\u4ec5\u5f53\u4e24\u4e2a\u77e9\u9635\u53ef\u4ee5\u4ea4\u6362\u65f6\u3002\u8fd9\u4e2a\u6761\u4ef6\u53ef\u4ee5\u7528\u8f6c\u7f6e\u77e9\u9635\u4e58\u6cd5\u6027\u8d28\u6765\u8bc1\u660e\uff1a<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-03f81c2643b3093a4db891724660c3b6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\left(A\\cdot B\\right)^t = B^t\\cdot A^t = BA=AB\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"237\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul>\n<li>\u53ea\u8981\u6307\u6570\u662f\u6574\u6570\uff0c\u5bf9\u79f0\u77e9\u9635\u7684\u5e42\u5c31\u4f1a\u4ea7\u751f\u53e6\u4e00\u4e2a\u5bf9\u79f0\u77e9\u9635\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u663e\u7136\uff0c<a href=\"https:\/\/mathority.org\/cn\">\u9149\u77e9\u9635<\/a>\u548c\u96f6\u77e9\u9635\u90fd\u662f\u5bf9\u79f0\u77e9\u9635\u7684\u4f8b\u5b50\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u4e0e\u5bf9\u79f0\u77e9\u9635\u5168\u7b49\u7684\u77e9\u9635\u4e5f\u5fc5\u987b\u662f\u5bf9\u79f0\u7684\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u5982\u679c\u4e00\u4e2a\u5bf9\u79f0\u77e9\u9635\u662f\u6b63\u5219\u6216\u53ef\u9006\u7684\uff0c\u90a3\u4e48\u5b83\u7684\u9006\u77e9\u9635\u4e5f\u662f\u5bf9\u79f0\u7684\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u4e0e\u5bf9\u79f0\u77e9\u9635\u7684\u4f34\u968f\u76f8\u540c\uff1a\u5bf9\u79f0\u77e9\u9635\u7684\u4f34\u968f\u77e9\u9635\u7ed9\u51fa\u53e6\u4e00\u4e2a\u5bf9\u79f0\u77e9\u9635\u4f5c\u4e3a\u89e3\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u771f\u6b63\u7684\u5bf9\u79f0\u77e9\u9635\u4e5f\u662f\u6b63\u89c4\u77e9\u9635\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u7531\u4e8e\u5bf9\u79f0\u77e9\u9635\u662f\u57c3\u5c14\u7c73\u7279\u77e9\u9635\u7684\u7279\u4f8b\uff0c\u56e0\u6b64\u5bf9\u79f0\u77e9\u9635\u7684\u6240\u6709\u7279\u5f81\u503c\uff08\u6216\u591a\u4e2a\u7279\u5f81\u503c\uff09\u90fd\u662f\u5b9e\u6570\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u8c31\u5b9a\u7406\u544a\u8bc9\u6211\u4eec\uff0c\u6240\u6709\u5143\u7d20\u4e3a\u5b9e\u6570\u7684\u77e9\u9635\u90fd\u662f\u53ef\u5bf9\u89d2\u5316\u7684\u77e9\u9635\uff0c\u800c\u4e14\uff0c\u5bf9\u89d2\u5316\u662f\u901a\u8fc7\u6b63\u4ea4\u77e9\u9635\u8fdb\u884c\u7684\u3002\u56e0\u6b64\uff0c\u6240\u6709\u5b9e\u5bf9\u79f0\u77e9\u9635\u90fd\u662f\u6b63\u4ea4\u5bf9\u89d2\u5316\u7684\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u53e6\u4e00\u65b9\u9762\uff0c\u5177\u6709\u590d\u6570\u7684\u5bf9\u79f0\u77e9\u9635\u53ef\u4ee5\u901a\u8fc7\u9149\u77e9\u9635\u8fdb\u884c\u5bf9\u89d2\u5316\u3002<\/li>\n<\/ul>\n<ul>\n<li> Hessian \u77e9\u9635\u59cb\u7ec8\u662f\u5bf9\u79f0\u7684\u3002 <\/li>\n<\/ul>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-118\"><\/div>\n<\/div>\n<h2 class=\"wp-block-heading\">\u5c06\u65b9\u9635\u5206\u89e3\u4e3a\u5bf9\u79f0\u77e9\u9635\u548c\u53cd\u5bf9\u79f0\u77e9\u9635<\/h2>\n<p>\u65b9\u9635\u7684\u4e00\u4e2a\u7279\u70b9\u662f\u5b83\u4eec\u53ef\u4ee5\u5206\u89e3\u4e3a\u5bf9\u79f0\u77e9\u9635\u52a0\u53cd\u5bf9\u79f0\u77e9\u9635\u7684\u548c\u3002<\/p>\n<p>\u5141\u8bb8\u6211\u4eec\u6267\u884c\u6b64\u64cd\u4f5c\u7684\u516c\u5f0f\u5982\u4e0b\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-a3b9aa2b7ed0e9ce31587d4f00f1144e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{array}{c} C = S + A \\\\[2ex] S = \\cfrac{1}{2}\\cdot (C+C^t) \\qquad A = \\cfrac{1}{2} \\cdot (C-C^t)\\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"76\" width=\"293\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u5176\u4e2dC\u662f\u6211\u4eec\u8981\u5206\u89e3\u7684\u65b9\u9635\uff0cC<sup>\u662f<\/sup>\u5176\u8f6c\u7f6e\uff0c\u6700\u540eS\u548cA\u5206\u522b\u662f\u77e9\u9635C\u5206\u89e3\u6210\u7684\u5bf9\u79f0\u77e9\u9635\u548c\u53cd\u5bf9\u79f0\u77e9\u9635\u3002<\/p>\n<p>\u4e0b\u9762\u6709\u4e00\u4e2a\u5df2\u89e3\u51b3\u7684\u7ec3\u4e60\uff0c\u60a8\u53ef\u4ee5\u4e86\u89e3\u8fd9\u662f\u5982\u4f55\u5b8c\u6210\u7684\u3002\u8ba9\u6211\u4eec\u5206\u89e3\u4ee5\u4e0b\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-852a7267895a7f332ad3f28f8a8dda0d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C=\\begin{pmatrix} 2&amp; -1 \\\\[1.1ex] 3 &amp;0\\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"109\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u6211\u4eec\u7528\u4ee5\u4e0b\u516c\u5f0f\u8ba1\u7b97\u5bf9\u79f0\u548c\u53cd\u5bf9\u79f0\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-994670ecc17b3bc8757482f1656e543e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle S=\\cfrac{1}{2}\\cdot (C+C^t)= \\begin{pmatrix} 2&amp; 1 \\\\[1.1ex] 1 &amp;0\\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"210\" 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-d87e1d30d2bc657c20535f45c0fb7be6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A=\\cfrac{1}{2}\\cdot (C-C^t)= \\begin{pmatrix} 0&amp; -2 \\\\[1.1ex] 2 &amp;0\\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"225\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5c06\u4e24\u4e2a\u77e9\u9635\u76f8\u52a0\u6765\u68c0\u67e5\u65b9\u7a0b\u662f\u5426\u6ee1\u8db3\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-f2a938eebbcc10adb3c3392634a62fbf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C=S+A \\quad ?\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"110\" 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-7cfdbffec6801c13041cd2996da13e96_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\begin{pmatrix} 2&amp; 1 \\\\[1.1ex] 1 &amp;0\\end{pmatrix}+\\begin{pmatrix} 0&amp; -2 \\\\[1.1ex] 2 &amp;0\\end{pmatrix}=\\begin{pmatrix} 2&amp; -1 \\\\[1.1ex] 3 &amp;0\\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"251\" 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-4d009f71f52fd49559eefc457d18a8be_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C=S+A\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"84\" style=\"vertical-align: -2px;\"><\/p>\n<p> \u2705<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u6b64\u9875\u9762\u4e0a\uff0c\u60a8\u5c06\u627e\u5230\u5bf9\u79f0\u77e9\u9635\u7684\u89e3\u91ca\u3002\u53e6\u5916\uff0c\u6211\u4eec\u8fd8\u5411\u60a8\u5c55\u793a\u5982\u4f55\u5feb\u901f\u8bc6\u522b\u77e9\u9635\u4f55\u65f6\u5bf9\u79f0\uff0c\u5e76\u63d0\u4f9b\u51e0\u4e2a\u793a\u4f8b\uff0c\u8ba9\u60a8\u6beb\u65e0\u7591\u95ee &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/cn\/%e5%af%b9%e7%a7%b0%e7%9f%a9%e9%98%b5%e7%a4%ba%e4%be%8b%e5%92%8c%e6%80%a7%e8%b4%a8\/\"> <span class=\"screen-reader-text\">\u5bf9\u79f0\u77e9\u9635<\/span> \u67e5\u770b\u5168\u6587 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