{"id":223,"date":"2015-04-13T22:04:53","date_gmt":"2015-04-13T14:04:53","guid":{"rendered":"http:\/\/www.xiaoxiaoliang.com\/?p=223"},"modified":"2017-03-04T13:41:44","modified_gmt":"2017-03-04T05:41:44","slug":"%e9%9b%86%e4%bd%93%e6%99%ba%e6%85%a7%e7%bc%96%e7%a8%8b%e8%af%bb%e5%90%8e%e6%84%9f%e6%ac%a7%e5%87%a0%e9%87%8c%e5%be%97%e8%b7%9d%e7%a6%bb%e5%9c%a8%e6%8e%a8%e8%8d%90%e7%b3%bb%e7%bb%9f%e4%b8%ad%e7%9a%84","status":"publish","type":"post","link":"https:\/\/www.xiaoxiaoliang.com\/?p=223","title":{"rendered":"(\u96c6\u4f53\u667a\u6167\u7f16\u7a0b\u8bfb\u540e\u611f)\u6b27\u51e0\u91cc\u5f97\u8ddd\u79bb\u5728\u63a8\u8350\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528"},"content":{"rendered":"

\u5728\u751f\u6d3b\u4e2d,\u5f88\u5e38\u89c1\u7684\u4f8b\u5b50\u662f\u7cfb\u7edf\u63a8\u8350, \u4f8b\u5982\u67d0\u7535\u5f71\u7f51\u7ad9\u5bf9\u7528\u6237\u7684\u89c2\u770b\u5386\u53f2,\u5f71\u8bc4\u63a8\u8350\u611f\u5174\u8da3\u7684\u7535\u5f71, \u540c\u7406\u4e5f\u6709\u5f88\u591a\u97f3\u4e50\u7f51\u7ad9\u548c\u8d2d\u7269\u7f51\u7ad9\u5bf9\u7528\u6237\u7684\u884c\u4e3a\u548c\u7231\u597d\u8fdb\u884c\u5206\u6790\u4ece\u800c\u5bf9\u7528\u6237\u8fdb\u884c\u5206\u7c7b,\u96c6\u4e2d\u63a8\u8350, \u8fdb\u884c\u66f4\u6709\u9488\u5bf9\u6027\u7684\u5e7f\u544a\u548c\u66f4\u6709\u6548\u7387\u628a\u81ea\u5df1\u7684\u4ea7\u54c1\u63a8\u5411\u7528\u6237;
\n\u4e3e\u4e2a\u4f8b\u5b50(\u4e0b\u9762\u67093\u4e2a\u4eba,\u5206\u522b\u5bf9\u9910\u54c1\u8fdb\u884c\u4e86\u5982\u4e0b\u7684\u8bc4\u4ef7):<\/p>\n

\u7528\u62371:{ \u5c16\u6912\u8089\u4e1d:8, \u9ebb\u5a46\u8c46\u8150:8.5,\u00a0\u8fa3\u5b50\u9e21:8.4}<\/p>\n

\u7528\u62372:{ \u5c16\u6912\u8089\u4e1d:7, \u9ebb\u5a46\u8c46\u8150:7.5,\u00a0\u5241\u6912\u9c7c\u5934:8.5,\u00a0\u8fa3\u5b50\u9e21:8.4, \u56de\u9505\u8089:9}<\/p>\n

\u7528\u62373:{\u00a0\u8fa3\u5b50\u9e21:3, \u9ebb\u5a46\u8c46\u8150:5,\u00a0\u767d\u5207\u9e21:9, \u6e05\u84b8\u9c7c\u5934:8}<\/p>\n

 <\/p>\n

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\u4e3e\u4e2a\u7b80\u5355\u7684\u56fe\u6765\u8bf4\u660e:<\/p>\n

\"\"<\/p>\n

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\u7528\u62371\u4e0e\u7528\u62372\u7684\u8ddd\u79bb:\u00a0sqrt(pow(8-7,2)+pow(8.5-7.5,2)) =\u00a01.4142135623731<\/p>\n

\u7528\u62371\u4e0e\u7528\u62373\u7684\u8ddd\u79bb:\u00a0sqrt(pow(8-3,2)+pow(8.5-5,2)) =\u00a06.123724357<\/p>\n

\u7528\u62372\u4e0e\u7528\u62373\u7684\u8ddd\u79bb:\u00a0sqrt(pow(7-3,2)+pow(7.5-5,2)) = 4.716990566<\/p>\n

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\"\"<\/p>\n

x,y \u5206\u522b\u8868\u793a\u4e24\u4e2a\u7528\u6237, x1,x2 \u8868\u793a\u7528\u6237x\u5bf9\u4e24\u4e2a\u9910\u54c1\u7684\u7231\u597d\u7a0b\u5ea6, y1,y2\u8868\u793a\u7528\u6237y\u5bf9\u76f8\u540c\u4e24\u4e2a\u9910\u54c1\u7684\u7231\u597d\u7a0b\u5ea6<\/p>\n

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\"\"<\/p>\n

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\"\"<\/p>\n

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\u5728\u7f16\u7a0b\u8bed\u8a00\u7528;\u53ef\u4ee5\u7528\u4e8c\u7ef4\u6570\u7ec4\u6765\u8868\u793a(\u56e0\u4e3a\u6570\u636e\u91cf\u5927\u7684\u65f6\u5019,\u901a\u5e38\u90fd\u66f4\u70ed\u5ba0\u4e8e\u4f7f\u7528\u6570\u636e\u5e93)<\/p>\n

$data=array(<\/p>\n

\u2018\u7528\u62371\u2019=>array(<\/p>\n

\u2018\u9910\u54c11\u2019=>\u8bc4\u5206,\/\/\u6b64\u5904\u53ef\u4ee5\u662f\u8bc4\u5206,\u4e5f\u53ef\u4ee5\u662f\u6d4f\u89c8\u91cf,\u6d4f\u89c8\u65f6\u957f,\u7b49\u7b49\u591a\u89d2\u5ea6\u7684\u6570\u636e<\/p>\n

….<\/p>\n

\u2018\u9910\u54c1n\u2019=>\u8bc4\u5206,\/\/\u6570\u636e\u7eac\u5ea6\u8d8a\u5927,\u6570\u636e\u8d8a\u51c6\u786e<\/p>\n

),<\/p>\n

\u2018\u7528\u62372\u2019=>array(<\/p>\n

\u2018\u9910\u54c16\u2019=>\u8bc4\u5206,<\/p>\n

….<\/p>\n

\u2018\u9910\u54c1n\u2019=>\u8bc4\u5206,<\/p>\n

),<\/p>\n

….<\/p>\n

\u2018\u7528\u6237n\u2019=>array(<\/p>\n

\u2018\u9910\u54c1x\u2019=>\u8bc4\u5206,<\/p>\n

….<\/p>\n

\u2018\u9910\u54c1n\u2019=>\u8bc4\u5206,<\/p>\n

),<\/p>\n

);<\/p>\n

\u5b9e\u73b0\u57fa\u672c\u4f7f\u7528(\u4f7f\u7528PHP\u63cf\u8ff0):<\/p>\n

$res = array();<\/p>\n

foreach($data as $k1 => $v1) {<\/p>\n

foreach($data as $k2 => $v2) {<\/p>\n

if($k1 == $k2) continue;\/\/\u4e0d\u7528\u548c\u81ea\u5df1\u8ba1\u7b97\u5411\u9002\u5ea6<\/p>\n

$pow_sum = 0;<\/p>\n

foreach($v1 as $k=>$v) {<\/p>\n

if(isset($v2[$k])) {\/\/\u5982\u679c\u4e24\u4e2a\u7528\u6237\u540c\u4e8b\u8bc4\u8bba\u6216\u53c2\u4e0e\u6216\u6d4f\u89c8\u8fc7\u76f8\u540c\u9910\u54c1<\/p>\n

$pow_sum += pow($v-$v2[$k],2);<\/p>\n

}<\/p>\n

}<\/p>\n

$res[$k1][$k2]=1\/(1+sqrt($pow_sum));<\/p>\n

}<\/p>\n

}<\/p>\n

$res\u6570\u7ec4\u5c31\u662f\u5f97\u5230\u7528\u6237\u4e24\u4e24\u5bf9\u5e94\u7684\u76f8\u4f3c\u5ea6,\u5e76\u53ef\u4ee5\u8fdb\u884c\u5206\u7c7b<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5728\u751f\u6d3b\u4e2d,\u5f88\u5e38\u89c1\u7684\u4f8b\u5b50\u662f\u7cfb\u7edf\u63a8\u8350, \u4f8b\u5982\u67d0\u7535\u5f71\u7f51\u7ad9\u5bf9\u7528\u6237\u7684\u89c2\u770b\u5386\u53f2,\u5f71\u8bc4\u63a8\u8350\u611f\u5174\u8da3\u7684\u7535\u5f71, \u540c\u7406\u4e5f\u6709\u5f88\u591a\u97f3\u4e50\u7f51 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[5,10,1],"tags":[25],"_links":{"self":[{"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=\/wp\/v2\/posts\/223"}],"collection":[{"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=223"}],"version-history":[{"count":4,"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=\/wp\/v2\/posts\/223\/revisions"}],"predecessor-version":[{"id":283,"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=\/wp\/v2\/posts\/223\/revisions\/283"}],"wp:attachment":[{"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=223"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=223"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}