{"id":419,"date":"2021-04-30T06:52:44","date_gmt":"2021-04-29T22:52:44","guid":{"rendered":"http:\/\/www.wayln.com\/?p=419"},"modified":"2021-04-30T06:53:28","modified_gmt":"2021-04-29T22:53:28","slug":"1-1-%e7%ba%bf%e6%80%a7%e6%96%b9%e7%a8%8b%e7%bb%84","status":"publish","type":"post","link":"https:\/\/www.wayln.com\/?p=419","title":{"rendered":"1.1 \u7ebf\u6027\u65b9\u7a0b\u7ec4"},"content":{"rendered":"<div id=\"toc_container\" class=\"toc_transparent no_bullets\"><p class=\"toc_title\">Contents<\/p><ul class=\"toc_list\"><li><a href=\"#i\"><span class=\"toc_number toc_depth_1\">1<\/span> \u7ebf\u6027\u65b9\u7a0b<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">2<\/span> \u7ebf\u6027\u65b9\u7a0b\u7ec4<\/a><\/li><li><a href=\"#i-3\"><span class=\"toc_number toc_depth_1\">3<\/span> \u77e9\u9635\u8bb0\u53f7<\/a><\/li><li><a href=\"#i-4\"><span class=\"toc_number toc_depth_1\">4<\/span> \u884c\u521d\u7b49\u53d8\u6362<\/a><\/li><li><a href=\"#i-5\"><span class=\"toc_number toc_depth_1\">5<\/span> \u884c\u7b49\u4ef7<\/a><\/li><\/ul><\/div>\n<h2><span id=\"i\">\u7ebf\u6027\u65b9\u7a0b<\/span><\/h2>\n<p>\u5305\u542b\u672a\u77e5\u6570x<sub>1<\/sub>\uff0cx<sub>2<\/sub>, &#8230; ,x<sub>n<\/sub>\u7684\u4e00\u4e2a\u7ebf\u6027\u65b9\u7a0b\u662f\u5f62\u5982\uff1a<\/p>\n<p><span class=\"katex math inline\">a_1x_1 + a_2x_2+ \\cdots + a_nx_n=b<\/span><\/p>\n<h2><span id=\"i-2\">\u7ebf\u6027\u65b9\u7a0b\u7ec4<\/span><\/h2>\n<p>\u662f\u7531\u4e00\u4e2a\u6216\u51e0\u4e2a\u5305\u542b\u76f8\u540c\u53d8\u91cf<span class=\"katex math inline\">x_1,x_2,\\cdots,x_n<\/span>\u7684\u7ebf\u6027\u65b9\u7a0b\u7ec4\u6210<\/p>\n<p>\u7ebf\u6027\u65b9\u7a0b\u7ec4\u7684\u89e3\u6709\u4e09\u79cd\u60c5\u51b5\uff1a<br \/>\n 1. \u65e0\u89e3<br \/>\n 2. \u6709\u552f\u4e00\u89e3<br \/>\n 3. \u6709\u65e0\u7a77\u591a\u89e3<\/p>\n<h2><span id=\"i-3\">\u77e9\u9635\u8bb0\u53f7<\/span><\/h2>\n<div class=\"katex math multi-line no-emojify\">    \\begin{cases}<br \/>\n       x_1-2x_2+x_3=0 \\\\<br \/>\n       2x_2-8x_3=8 \\\\<br \/>\n      -4x_1+5x_2+9x_3=-9\\\\<br \/>\n    \\end{cases}\n<\/div>\n<p>\u628a\u6bcf\u4e2a\u53d8\u91cf\u7684\u7cfb\u6570\u5199\u5728\u5bf9\u9f50\u7684\u4e00\u5217\u4e2d\uff0c\u77e9\u9635\uff1a<\/p>\n<div class=\"katex math multi-line no-emojify\">\\begin{bmatrix}<br \/>\n1&amp;-2&amp;1\\\\<br \/>\n0&amp;2&amp;-8\\\\<br \/>\n-4&amp;5&amp;9\\\\<br \/>\n\\end{bmatrix}\n<\/div>\n<p>\u79f0\u4e3a\u65b9\u7a0b\u7ec4\uff081\uff09\u7684\u7cfb\u6570\u77e9\u9635\uff0c\u800c\uff1a<\/p>\n<div class=\"katex math multi-line no-emojify\">\\begin{bmatrix}<br \/>\n1&amp;-2&amp;1&amp;0\\\\<br \/>\n0&amp;2&amp;-8&amp;8\\\\<br \/>\n-4&amp;5&amp;9&amp;-9\\\\<br \/>\n\\end{bmatrix}\n<\/div>\n<p>\u79f0\u4e3a\u5b83\u7684\u589e\u5e7f\u77e9\u9635<\/p>\n<h2><span id=\"i-4\">\u884c\u521d\u7b49\u53d8\u6362<\/span><\/h2>\n<ol>\n<li>\uff08\u500d\u52a0\u53d8\u6362\uff09\u628a\u67d0\u4e00\u884c\u6362\u6210\u5b83\u672c\u8eab\u4e0e\u53e6\u4e00\u884c\u7684\u500d\u6570\u7684\u548c<\/li>\n<li>(\u5bf9\u6362\u53d8\u6362) \u628a\u4e24\u884c\u5bf9\u6362<\/li>\n<li>(\u500d\u4e58\u53d8\u6362) \u628a\u67d0\u4e00\u884c\u7684\u6240\u6709\u5143\u7d20\u4e58\u4ee5\u540c\u4e00\u4e2a\u975e\u96f6\u6570<\/li>\n<\/ol>\n<h2><span id=\"i-5\">\u884c\u7b49\u4ef7<\/span><\/h2>\n<p>\u82e5\u4e00\u79cd\u4e00\u4e2a\u77e9\u9635\u53ef\u4ee5\u7ecf\u8fc7\u4e00\u7cfb\u5217\u884c\u521d\u7b49\u53d8\u6362\u6210\u4e3a\u53e6\u4e00\u4e2a\u77e9\u9635\uff0c\u6211\u4eec\u6210\u4e3a\u4e24\u4e2a\u77e9\u9635\u662f\u884c\u7b49\u4ef7\u7684<br \/>\n\u82e5\u4e24\u4e2a\u7ebf\u6027\u65b9\u7a0b\u7ec4\u7684\u589e\u5e7f\u77e9\u9635\u662f\u884c\u7b49\u4ef7\u7684\uff0c\u5219\u4ed6\u4eec\u5177\u6709\u76f8\u540c\u7684\u89e3\u96c6<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Contents1 \u7ebf\u6027\u65b9\u7a0b2 \u7ebf\u6027\u65b9\u7a0b\u7ec43 \u77e9\u9635\u8bb0\u53f74 \u884c\u521d\u7b49\u53d8\u63625 \u884c\u7b49\u4ef7 \u7ebf\u6027\u65b9\u7a0b \u5305\u542b\u672a\u77e5\u6570x1\uff0cx2 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":388,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21,22,26],"tags":[],"class_list":["post-419","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-21","category-22","category-26"],"_links":{"self":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts\/419","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=419"}],"version-history":[{"count":1,"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts\/419\/revisions"}],"predecessor-version":[{"id":420,"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts\/419\/revisions\/420"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/media\/388"}],"wp:attachment":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=419"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=419"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}