{"id":204251,"date":"2025-05-29T08:41:37","date_gmt":"2025-05-29T00:41:37","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204251\/"},"modified":"2025-05-29T08:41:37","modified_gmt":"2025-05-29T00:41:37","slug":"%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0%e4%b8%ad%e7%9a%84%e5%90%91%e9%87%8f%ef%bc%9a%e5%a4%a7%e5%b0%8f%e5%92%8c%e6%96%b9%e5%90%91%e5%a6%82%e4%bd%95%e5%ae%9a%e4%b9%89%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204251\/","title":{"rendered":"\u673a\u5668\u5b66\u4e60\u4e2d\u7684\u5411\u91cf\uff1a\u5927\u5c0f\u548c\u65b9\u5411\u5982\u4f55\u5b9a\u4e49\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u673a\u5668\u5b66\u4e60\u4e2d\u7684\u5411\u91cf\uff1a\u5927\u5c0f\u548c\u65b9\u5411\u5982\u4f55\u5b9a\u4e49\uff1f<\/h1>\n<p>\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u90fd\u6253\u5f00\u8fd9\u7bc7\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\uff0c\u5b66\u4e0b\u53bb\u5427\uff01\u672c\u6587\u4e3b\u8981\u4f1a\u7ed9\u5927\u5bb6\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5927\u5bb6\u5bf9\u672c\u6587\u6709\u597d\u7684\u5efa\u8bae\u6216\u8005\u770b\u5230\u6709\u4e0d\u8db3\u4e4b\u5904\uff0c\u975e\u5e38\u6b22\u8fce\u5927\u5bb6\u79ef\u6781\u63d0\u51fa\uff01\u5728\u540e\u7eed\u6587\u7ae0\u6211\u4f1a\u7ee7\u7eed\u66f4\u65b0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241102\/17305279766725c2e80b299.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u673a\u5668\u5b66\u4e60\u4e2d\u7684\u5411\u91cf\u89e3\u8bfb\uff1a\u5927\u5c0f\u4e0e\u65b9\u5411<\/strong><\/p>\n<p>\u5728\u673a\u5668\u5b66\u4e60\u4e2d\uff0c\u5411\u91cf\u901a\u5e38\u4ee5\u6570\u7ec4\u7684\u5f62\u5f0f\u8868\u793a\uff0c\u4f8b\u5982 [x1, x2, &#8230;, xn]\u3002\u90a3\u4e48\uff0c\u8fd9\u4e9b\u5411\u91cf\u7684\u5b9e\u9645\u5927\u5c0f\u548c\u65b9\u5411\u662f\u591a\u5c11\u5462\uff1f<\/p>\n<p><strong>\u5411\u91cf\u7684\u5927\u5c0f<\/strong><\/p>\n<p>\u5411\u91cf\u7684\u6a21\u6216\u5927\u5c0f\u8868\u793a\u8be5\u5411\u91cf\u5728\u7a7a\u95f4\u4e2d\u7684\u957f\u5ea6\u3002\u5bf9\u4e8e\u4e0a\u8ff0\u6570\u7ec4\uff0c\u5411\u91cf\u7684\u5927\u5c0f\u4e3a\u5176\u5404\u4e2a\u5143\u7d20\u5e73\u65b9\u548c\u7684\u5e73\u65b9\u6839\uff1a<\/p>\n<pre>l = sqrt(x1^2 + x2^2 + ... + xn^2)<\/pre>\n<p><strong>\u5411\u91cf\u7684\u65b9\u5411<\/strong><\/p>\n<p>\u5411\u91cf\u7684\u65b9\u5411\u8868\u793a\u5176\u5728\u7a7a\u95f4\u4e2d\u7684\u671d\u5411\u3002\u4e3a\u4e86\u786e\u5b9a\u65b9\u5411\uff0c\u9700\u8981\u5148\u8ba1\u7b97\u5411\u91cf\u7684\u5355\u4f4d\u5411\u91cf\uff1a<\/p>\n<pre>v = (x1\/l, x2\/l, ..., xn\/l)<\/pre>\n<p>\u5176\u4e2d v \u662f\u5355\u4f4d\u5411\u91cf\uff0cl \u662f\u5411\u91cf\u7684\u5927\u5c0f\u3002\u5355\u4f4d\u5411\u91cf\u4f7f\u5411\u91cf\u7684\u6a21\u4e3a 1\uff0c\u56e0\u6b64\u5b83\u8868\u793a\u5411\u91cf\u7684\u65b9\u5411\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u673a\u5668\u5b66\u4e60\u4e2d\u7684\u5411\u91cf\u7531\u5176\u5927\u5c0f\u548c\u65b9\u5411\u4e24\u4e2a\u5c5e\u6027\u5b9a\u4e49\u3002\u5927\u5c0f\u8868\u793a\u5b83\u5728\u7a7a\u95f4\u4e2d\u7684\u957f\u5ea6\uff0c\u800c\u65b9\u5411\u8868\u793a\u5b83\u6307\u5411\u7684\u7a7a\u95f4\u533a\u57df\u3002<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300a\u673a\u5668\u5b66\u4e60\u4e2d\u7684\u5411\u91cf\uff1a\u5927\u5c0f\u548c\u65b9\u5411\u5982\u4f55\u5b9a\u4e49\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u673a\u5668\u5b66\u4e60\u4e2d\u7684\u5411\u91cf\uff1a\u5927\u5c0f\u548c\u65b9\u5411\u5982\u4f55&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-204251","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204251","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=204251"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204251\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}