{"id":45448,"date":"2023-12-11T15:05:52","date_gmt":"2023-12-11T07:05:52","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=45448"},"modified":"2023-12-11T15:05:52","modified_gmt":"2023-12-11T07:05:52","slug":"%e7%ae%97%e6%b3%95%e9%a2%98%ef%bc%8c%e5%8d%95%e8%b0%83%e5%87%bd%e6%95%b0%e6%b1%82%e9%9b%b6%e7%82%b9%e7%ae%80%e5%8d%95%e7%9a%84%e4%ba%8c%e5%88%86%e6%b3%95-2","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/%e7%ae%97%e6%b3%95%e9%a2%98%ef%bc%8c%e5%8d%95%e8%b0%83%e5%87%bd%e6%95%b0%e6%b1%82%e9%9b%b6%e7%82%b9%e7%ae%80%e5%8d%95%e7%9a%84%e4%ba%8c%e5%88%86%e6%b3%95-2\/","title":{"rendered":"\u7b97\u6cd5\u9898\uff0c\u5355\u8c03\u51fd\u6570\u6c42\u96f6\u70b9(\u7b80\u5355\u7684\u4e8c\u5206\u6cd5)"},"content":{"rendered":"

“`”<\/p>\n

\u53c2\u8003\u56de\u7b54\uff1a<\/p>\n

<pre><code class=""language-c"" lang=""c"">#include <iostream>
\n#include <cstdio>
\nusing namespace std;
\ndouble f(double x){
\n return x*x*x*x*x-15*x*x*x*x+85*x*x*x-225*x*x+274*x-121;
\n}
\nint main()
\n{
\n double x=1.5,y=2.4; \/\/\u8fb9\u754c\u6761\u4ef6
\n while(y-x>=0.0000001){ \/\/\u4fdd\u7559\u52306\u4f4d\u5c0f\u6570 \u8ba1\u7b97\u52307\u4f4d
\n double t=(x+y)\/2; \/\/\u4e8c\u5206\u6cd5
\n if(f(x)*f(t)<=0) y=t; \/\/\u89e3 (x,t]
\n else x=t; \/\/\u89e3 (t,y)
\n }
\n printf(""%.6f\\n"",x);
\n return 0;
\n}
\n<\/code><\/pre><\/p>\n

\u00a0<\/p>\n

\u00a0<\/p>\n

<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"

“`” \u53c2\u8003\u56de\u7b54\uff1a <pre><code class="& […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-45448","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/45448","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=45448"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/45448\/revisions"}],"predecessor-version":[{"id":45449,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/45448\/revisions\/45449"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=45448"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=45448"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=45448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}