{"id":49107,"date":"2023-08-17T20:12:02","date_gmt":"2023-08-17T12:12:02","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=49107"},"modified":"2023-08-17T20:12:03","modified_gmt":"2023-08-17T12:12:03","slug":"%e4%bb%80%e4%b9%88%e6%98%af%e9%9a%8f%e6%9c%ba%e6%a2%af%e5%ba%a6%e4%b8%8b%e9%99%8d","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/49107.html","title":{"rendered":"\u4ec0\u4e48\u662f\u968f\u673a\u68af\u5ea6\u4e0b\u964d"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote\">\n<p>\u968f\u673a\u68af\u5ea6\u4e0b\u964d\uff08Stochastic Gradient 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class=\"wp-image-49108\" srcset=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/08\/680-70.jpg 680w, https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/08\/680-70-300x186.jpg 300w\" sizes=\"(max-width: 680px) 100vw, 680px\" \/><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u6982\u5ff5\u89e3\u91ca<\/h2>\n\n\n\n<p>\u968f\u673a\u9009\u62e9\uff1aSGD\u901a\u8fc7\u968f\u673a\u9009\u62e9\u4e00\u4e2a\u8bad\u7ec3\u6837\u672c\u6765\u8ba1\u7b97\u68af\u5ea6\uff0c\u800c\u4e0d\u662f\u4f7f\u7528\u6574\u4e2a\u6570\u636e\u96c6\u3002 <\/p>\n\n\n\n<p>\u8fed\u4ee3\u8fc7\u7a0b\uff1aSGD\u4ee5\u8fed\u4ee3\u65b9\u5f0f\u9010\u6e10\u66f4\u65b0\u6a21\u578b\u7684\u6743\u91cd\uff0c\u76f4\u5230\u627e\u5230\u635f\u5931\u51fd\u6570\u7684\u6700\u5c0f\u503c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u5e94\u7528\u573a\u666f<\/h2>\n\n\n\n<p>\u673a\u5668\u5b66\u4e60\uff1aSGD\u5e7f\u6cdb\u7528\u4e8e\u673a\u5668\u5b66\u4e60\u4e2d\u7684\u8bad\u7ec3\u6a21\u578b\uff0c\u5982\u7ebf\u6027\u56de\u5f52\u3001\u795e\u7ecf\u7f51\u7edc\u7b49\u3002 <\/p>\n\n\n\n<p>\u5927\u6570\u636e\uff1aSGD\u9002\u7528\u4e8e\u5927\u6570\u636e\u573a\u666f\uff0c\u7531\u4e8e\u5176\u8ba1\u7b97\u6548\u7387\uff0c\u80fd\u591f\u5feb\u901f\u5904\u7406\u5927\u91cf\u6570\u636e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u5b58\u5728\u95ee\u9898<\/h2>\n\n\n\n<p>\u6536\u655b\u901f\u5ea6\uff1aSGD\u7684\u6536\u655b\u901f\u5ea6\u53ef\u80fd\u8f83\u6162\uff0c\u5e76\u53ef\u80fd\u9707\u8361\u3002 <\/p>\n\n\n\n<p>\u8d85\u53c2\u6570\u9009\u62e9\uff1aSGD\u7684\u5b66\u4e60\u7387\u7b49\u8d85\u53c2\u6570\u7684\u9009\u62e9\u53ef\u80fd\u4f1a\u5f71\u54cd\u7b97\u6cd5\u7684\u6548\u679c\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity 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