{"id":10397,"date":"2023-07-20T23:39:15","date_gmt":"2023-07-20T15:39:15","guid":{"rendered":"https:\/\/blog.iyatt.com\/?p=10397"},"modified":"2024-05-05T12:32:12","modified_gmt":"2024-05-05T04:32:12","slug":"%e7%9b%b4%e7%ba%bf%e6%96%b9%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/blog.iyatt.com\/?p=10397","title":{"rendered":"\u76f4\u7ebf\u65b9\u7a0b"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.iyatt.com\/?p=10397\/#%E7%82%B9%E6%96%9C%E5%BC%8F\" >\u70b9\u659c\u5f0f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.iyatt.com\/?p=10397\/#%E4%B8%A4%E7%82%B9%E5%BC%8F\" >\u4e24\u70b9\u5f0f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.iyatt.com\/?p=10397\/#%E6%96%9C%E6%88%AA%E5%BC%8F\" >\u659c\u622a\u5f0f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blog.iyatt.com\/?p=10397\/#%E6%88%AA%E8%B7%9D%E5%BC%8F\" >\u622a\u8ddd\u5f0f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blog.iyatt.com\/?p=10397\/#%E4%B8%80%E8%88%AC%E5%BC%8F\" >\u4e00\u822c\u5f0f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.iyatt.com\/?p=10397\/#%E5%80%92%E6%96%9C%E6%A8%AA%E6%88%AA%E5%BC%8F\" >\u5012\u659c\u6a2a\u622a\u5f0f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/blog.iyatt.com\/?p=10397\/#%E6%B3%95%E7%BA%BF%E5%BC%8F\" >\u6cd5\u7ebf\u5f0f<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%E7%82%B9%E6%96%9C%E5%BC%8F\"><\/span>\u70b9\u659c\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code class=\"katex-inline\">y-y_0=k(x-x_0)<\/code><\/p>\n<p>\u2460 \u659c\u7387 k<br \/>\n\u2461 \u76f4\u7ebf\u4e0a\u4e00\u70b9 <code class=\"katex-inline\">(x_0,y_0)<\/code><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E4%B8%A4%E7%82%B9%E5%BC%8F\"><\/span>\u4e24\u70b9\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code class=\"katex-inline\">\\frac{y-y_1}{y_2-y_1}=\\frac{x-x_1}{x_2-x_1}<\/code><\/p>\n<p>\u76f4\u7ebf\u4e0a\u4e24\u70b9 <code class=\"katex-inline\">(x_1,y_1)\uff0c(x_2,y_2)<\/code><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E6%96%9C%E6%88%AA%E5%BC%8F\"><\/span>\u659c\u622a\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code class=\"katex-inline\">y=kx+b<\/code><\/p>\n<p>\u2460 \u659c\u7387 k<br \/>\n\u2461 \u7eb5\u622a\u8ddd b<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E6%88%AA%E8%B7%9D%E5%BC%8F\"><\/span>\u622a\u8ddd\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code class=\"katex-inline\">\\frac{x}{a}+\\frac{y}{b}=1<\/code><\/p>\n<p>\u2460 \u6a2a\u622a\u8ddd a<br \/>\n\u2461 \u7eb5\u622a\u8ddd b<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E4%B8%80%E8%88%AC%E5%BC%8F\"><\/span>\u4e00\u822c\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code class=\"katex-inline\">Ax+By+C=0<\/code><\/p>\n<p>\u2460 \u659c\u7387 <code class=\"katex-inline\">k=-\\frac{A}{B}<\/code><br \/>\n\u2461 \u6a2a\u622a\u8ddd <code class=\"katex-inline\">a=-\\frac{C}{A}<\/code><br \/>\n\u2462 \u7eb5\u622a\u8ddd <code class=\"katex-inline\">b=-\\frac{C}{B}<\/code><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E5%80%92%E6%96%9C%E6%A8%AA%E6%88%AA%E5%BC%8F\"><\/span>\u5012\u659c\u6a2a\u622a\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code class=\"katex-inline\">x=my+n<\/code><\/p>\n<p>\u2460 \u659c\u7387\u7684\u5012\u6570 m<br \/>\n\u2461 \u6a2a\u622a\u8ddd n<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E6%B3%95%E7%BA%BF%E5%BC%8F\"><\/span>\u6cd5\u7ebf\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code class=\"katex-inline\">x\\cos\\theta+y\\sin\\theta-p=0<\/code><\/p>\n<p>\u2460 x \u8f74\u6b63\u65b9\u5411\u548c\u76f4\u7ebf\u7684\u6cd5\u7ebf\u7684\u5939\u89d2 <code class=\"katex-inline\">\\theta\uff0c\\theta\\in[0,\\pi)<\/code><br \/>\n\u2461 \u539f\u70b9\u5230\u76f4\u7ebf\u7684\u8ddd\u79bb p<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u70b9\u659c\u5f0f y-y_0=k(x-x_0) \u2460 \u659c\u7387 k \u2461 \u76f4\u7ebf\u4e0a\u4e00\u70b9 (x_0,y_0) \u4e24\u70b9\u5f0f \\frac{y [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"zakra_page_container_layout":"customizer","zakra_page_sidebar_layout":"customizer","zakra_remove_content_margin":false,"zakra_sidebar":"customizer","zakra_transparent_header":"customizer","zakra_logo":0,"zakra_main_header_style":"default","zakra_menu_item_color":"","zakra_menu_item_hover_color":"","zakra_menu_item_active_color":"","zakra_menu_active_style":"","zakra_page_header":true,"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-10397","post","type-post","status-publish","format-standard","hentry","category-all"],"modified_by":"IYATT-yx","_links":{"self":[{"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/posts\/10397","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10397"}],"version-history":[{"count":0,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/posts\/10397\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10397"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10397"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10397"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}