{"id":52874,"date":"2020-04-09T13:01:38","date_gmt":"2020-04-09T05:01:38","guid":{"rendered":"http:\/\/4563.org\/?p=52874"},"modified":"2020-04-09T13:01:38","modified_gmt":"2020-04-09T05:01:38","slug":"php-%e7%9a%ae%e5%b0%94%e9%80%8a%e7%9b%b8%e5%85%b3%e6%80%a7%e8%ae%a1%e7%ae%97-%e6%96%b9%e6%b3%95-vps%e8%b5%84%e8%ae%af","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=52874","title":{"rendered":"php \u76ae\u5c14\u900a\u76f8\u5173\u6027\u8ba1\u7b97 \u65b9\u6cd5 &#8211; VPS\u8d44\u8baf"},"content":{"rendered":"<br \/>\n<h3>\u80cc\u666f<\/h3>\n<p>\u8fd9\u4e24\u5929,\u63a5\u5230\u4e86\u4e00\u4e2a\u5916\u5305,\u6709\u7528\u5230\u8fd9\u4e2a\u7cfb\u6570,\u67e5\u4e86\u767e\u5ea6\u597d\u50cf\u6ca1\u6709,\u5c31\u53ea\u80fd\u624b\u52a8\u5bf9\u7740\u516c\u5f0f\u64b8\u4e86\u4e00\u5957php\u7248\u7684.\u6b22\u8fce\u8f6c\u8f7d,\u8f6c\u8f7d\u8bf7\u4fdd\u7559\u539f\u6587\u51fa\u5904:<a href=\"https:\/\/xhvps.info\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/xhvps.info<\/a><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2020\/04\/20200409_5e8ed67be775a.png\" title=\"\u76ae\u5c14\u900a\u516c\u5f0f.png\" alt=\"php \u76ae\u5c14\u900a\u76f8\u5173\u6027\u8ba1\u7b97 \u65b9\u6cd5 - VPS\u8d44\u8baf\"><\/p>\n<h3>php \u76ae\u5c14\u900a\u76f8\u5173\u6027\u8ba1\u7b97<\/h3>\n<pre><code>    public function caculatePearson($mapX,$mapY){                   \/\/ $mapX = Array(47,45,45,41,45,45,58,44,63,46);         \/\/ $mapY = Array(19,19,19,17,19,19,23,20,27,17);                  $sumXY = 0.0;         $sumX = 0.0;         $sumY = 0.0;         $sumPowX = 0.0;         $sumPowY = 0.0;                           $averX = $this-&gt;aver($mapX);         $averY = $this-&gt;aver($mapY);                  for ($i = 0; $i &lt; count($mapX); $i++) {             $sumXY += ($mapX[$i]-$averX)*($mapY[$i]-$averY);             $sumX += ($mapX[$i]-$averX)*($mapX[$i]-$averX);             $sumY += ($mapY[$i]-$averY)*($mapY[$i]-$averY);         }                   \/\/ echo $sumXY.&quot;=======&quot;;         \/\/ echo $sumX.&quot;=======&quot;;         \/\/ echo $sumY.&quot;=======&quot;;         \/\/ echo sqrt($sumX).&quot;=======&quot;;         \/\/ echo sqrt($sumY).&quot;=======&quot;;         \/\/ echo sqrt($sumX)*sqrt($sumY).&quot;=======&quot;;         \/\/ echo ($sumXY\/(sqrt($sumX)*sqrt($sumY)) ).&quot;=======&quot;;                    return ($sumXY\/(sqrt($sumX)*sqrt($sumY)) );      }<\/code><\/pre>\n<div style=\"padding: 10px 0; margin: 20px auto; width: 100%; font-size:16px; text-align: center;\"> <button disable=\"enable\" onclick=\"var qr = document.getElementById('QR'); if (qr.style.display === 'none') {qr.style.display='block';} else {qr.style.display='none'}\"> <span>\u6253\u8d4f<\/span><\/button> <\/p>\n<div style=\"display: none;\">\n<div style=\"display: inline-block\"> <a rel=\"group\"> <img decoding=\"async\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2020\/04\/20200409_5e8ed67f72a5a.jpg\" alt=\"php \u76ae\u5c14\u900a\u76f8\u5173\u6027\u8ba1\u7b97 \u65b9\u6cd5 - VPS\u8d44\u8baf\"><\/a> <\/p>\n<p>\u5fae\u4fe1\u6253\u8d4f<\/p>\n<\/p><\/div>\n<div style=\"display: inline-block\"> <a rel=\"group\"> <img decoding=\"async\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2020\/04\/20200409_5e8ed68d3eaf2.jpg\" alt=\"php \u76ae\u5c14\u900a\u76f8\u5173\u6027\u8ba1\u7b97 \u65b9\u6cd5 - VPS\u8d44\u8baf\"><\/a> <\/p>\n<p>\u652f\u4ed8\u5b9d\u6253\u8d4f<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u80cc\u666f \u8fd9\u4e24\u5929,\u63a5\u5230\u4e86\u4e00\u4e2a\u5916\u5305,\u6709\u7528&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/52874"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=52874"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/52874\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=52874"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=52874"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=52874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}