{"id":204270,"date":"2025-05-29T14:58:12","date_gmt":"2025-05-29T06:58:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204270\/"},"modified":"2025-05-29T14:58:12","modified_gmt":"2025-05-29T06:58:12","slug":"%e5%90%91%e9%87%8f%e5%9c%a8%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0%e4%b8%ad%e7%9a%84%e7%90%86%e8%a7%a3%ef%bc%9a%e5%a6%82%e4%bd%95%e7%90%86%e8%a7%a3%e5%90%91%e9%87%8f%e7%9a%84%e5%a4%a7%e5%b0%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204270\/","title":{"rendered":"\u5411\u91cf\u5728\u673a\u5668\u5b66\u4e60\u4e2d\u7684\u7406\u89e3\uff1a\u5982\u4f55\u7406\u89e3\u5411\u91cf\u7684\u201c\u5927\u5c0f\u201d\u548c\u201c\u65b9\u5411\u201d\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5411\u91cf\u5728\u673a\u5668\u5b66\u4e60\u4e2d\u7684\u7406\u89e3\uff1a\u5982\u4f55\u7406\u89e3\u5411\u91cf\u7684\u201c\u5927\u5c0f\u201d\u548c\u201c\u65b9\u5411\u201d\uff1f<\/h1>\n<p>\u54c8\u55bd\uff01\u5927\u5bb6\u597d\uff0c\u5f88\u9ad8\u5174\u53c8\u89c1\u9762\u4e86\uff0c\u6211\u662f\u7684\u4e00\u540d\u4f5c\u8005\uff0c\u4eca\u5929\u7531\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\uff0c\u672c\u6587\u4e3b\u8981\u4f1a\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5927\u5bb6\u4e00\u8d77\u5b66\u4e60\u8fdb\u6b65\uff0c\u4e5f\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u3001\u70b9\u8d5e\u3001\u6536\u85cf\u3001\u8f6c\u53d1! \u4e0b\u9762\u5c31\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241102\/17305562196726313b6765f.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5411\u91cf\u5728\u673a\u5668\u5b66\u4e60\u4e2d\u7684\u7406\u89e3<\/strong><\/p>\n<p>\u5728\u673a\u5668\u5b66\u4e60\u4e2d\uff0c\u5411\u91cf\u901a\u5e38\u8868\u793a\u4e3a\u4e00\u4e2a\u6570\u7ec4\uff0c\u5b83\u5177\u6709\u5927\u5c0f\u548c\u65b9\u5411\u3002<\/p>\n<p><strong>\u5927\u5c0f<\/strong><\/p>\n<p>\u5411\u91cf\u7684<strong>\u5927\u5c0f<\/strong>\u6216<strong>\u6a21<\/strong>\u8868\u793a\u5411\u91cf\u4ece\u539f\u70b9\u5230\u5b83\u7684\u7ec8\u70b9\u7684\u8ddd\u79bb\u3002\u5b83\u7531\u4e0b\u5217\u516c\u5f0f\u8ba1\u7b97\uff1a<\/p>\n<pre>\u5927\u5c0f = sqrt(x1^2 + x2^2 + ... + xn^2)<\/pre>\n<p>\u5176\u4e2d x1, x2, &#8230;, xn \u662f\u5411\u91cf\u7684\u5206\u91cf\u3002<\/p>\n<p><strong>\u65b9\u5411<\/strong><\/p>\n<p>\u5411\u91cf\u7684<strong>\u65b9\u5411<\/strong>\u8868\u793a\u5411\u91cf\u4ece\u539f\u70b9\u5230\u7ec8\u70b9\u7684\u65b9\u5411\u3002\u5b83\u53ef\u4ee5\u7528\u5355\u4f4d\u5411\u91cf\u6765\u8868\u793a\uff0c\u5355\u4f4d\u5411\u91cf\u662f\u7531\u5411\u91cf\u9664\u4ee5\u5176\u5927\u5c0f\u5f97\u5230\u7684\u3002<\/p>\n<pre>\u5355\u4f4d\u5411\u91cf = (x1\/\u5927\u5c0f, x2\/\u5927\u5c0f, ..., xn\/\u5927\u5c0f)<\/pre>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u4f8b\u5982\uff0c\u5728\u4e09\u7ef4\u7a7a\u95f4\u4e2d\uff0c\u5411\u91cf (3, 4, 5) \u5177\u6709\uff1a<\/p>\n<ul>\n<li><strong>\u5927\u5c0f\uff1a<\/strong> sqrt(3^2 + 4^2 + 5^2) = sqrt(50) \u2248 7.07<\/li>\n<li><strong>\u65b9\u5411\uff1a<\/strong> (3\/7.07, 4\/7.07, 5\/7.07)<\/li>\n<\/ul>\n<p>\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u5411\u91cf\u5728\u673a\u5668\u5b66\u4e60\u4e2d\u7684\u7406\u89e3\uff1a\u5982\u4f55\u7406\u89e3\u5411\u91cf\u7684\u201c\u5927\u5c0f\u201d\u548c\u201c\u65b9\u5411\u201d\uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5411\u91cf\u5728\u673a\u5668\u5b66\u4e60\u4e2d\u7684\u7406\u89e3\uff1a\u5982\u4f55\u7406\u89e3&#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-204270","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204270","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=204270"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204270\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204270"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204270"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}