{"id":3857,"date":"2026-01-04T19:05:32","date_gmt":"2026-01-04T11:05:32","guid":{"rendered":"https:\/\/cn-dxjj.com\/index.php\/2026\/01\/04\/all-in%ef%bc%81%e7%94%a8%e5%bc%ba%e5%8c%96%e5%ad%a6%e4%b9%a0%e6%89%93%e5%be%b7%e5%b7%9e%e6%89%91%e5%85%8b%ef%bc%8c%e6%88%91%e7%ab%9f%e7%84%b6%e5%ad%a6%e4%bc%9a%e4%ba%86\/"},"modified":"2026-01-04T19:05:32","modified_gmt":"2026-01-04T11:05:32","slug":"all-in%ef%bc%81%e7%94%a8%e5%bc%ba%e5%8c%96%e5%ad%a6%e4%b9%a0%e6%89%93%e5%be%b7%e5%b7%9e%e6%89%91%e5%85%8b%ef%bc%8c%e6%88%91%e7%ab%9f%e7%84%b6%e5%ad%a6%e4%bc%9a%e4%ba%86","status":"publish","type":"post","link":"https:\/\/yiqihuijia.com.cn\/index.php\/2026\/01\/04\/all-in%ef%bc%81%e7%94%a8%e5%bc%ba%e5%8c%96%e5%ad%a6%e4%b9%a0%e6%89%93%e5%be%b7%e5%b7%9e%e6%89%91%e5%85%8b%ef%bc%8c%e6%88%91%e7%ab%9f%e7%84%b6%e5%ad%a6%e4%bc%9a%e4%ba%86\/","title":{"rendered":"All 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\u8d8a\u6765\u8d8a\u5c0f\u3002\u8fd9\u91cc\u7684\u635f\u5931\u51fd\u6570\u53ea\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u9009\u53d6\uff09\u3002<\/p>\n<p>\u6240\u4ee5\uff0c\u300c\u66f4\u65b0Q\u300d\u6240\u6307\u7684\uff0c\u662f\u901a\u8fc7\u6539\u53d8\u03b8\uff0c\u8fdb\u800c\u4f7f\u5f97L\u53d8\u5f97\u6bd4\u4e4b\u524d\u66f4\u5c0f\uff0c\u5b58\u5728\u4e0d\u6b62\u4e00\u79cd\u80fd\u591f\u8fbe\u6210\u8fd9\u4e00\u60c5\u51b5\u7684\u65b9\u5f0f\uff0c\u5176\u4e2d\u4e00\u79cd\u8f83\u4e3a\u7b80\u4fbf\u7684\u65b9\u5f0f\u88ab\u79f0\u4f5c\u968f\u673a\u68af\u5ea6\u4e0b\u964d\uff08stochastic gradient descent\uff09\uff0c\u7b80\u5355\u6982\u62ec\u6765\u8bb2\uff0c\u8fd9\u79cd\u65b9\u5f0f\u7528\u4e8e\u66f4\u65b0\u03b8\u7684\u89c4\u5219\u662f\uff1a<\/p>\n<p>\u6211\u4eec\u8981\u53bb\u6311\u9009\u300c\u8d85\u53c2\u6570\u300d\u03b1\uff0c\u5b83\u88ab\u79f0\u4f5c\u5b66\u4e60\u7387\uff0c\u5176\u80fd\u591f\u628a\u63a7\u6bcf\u6b21\u66f4\u65b0\u7684\u5e45\u5ea6\u3002\u8981\u662f\u03b1\u8fc7\u5c0f\uff0c\u90a3\u4e48\u5b66\u4e60\u901f\u5ea6\u4f1a\u5341\u5206\u7f13\u6162\uff0c\u7136\u800c\u8981\u662f\u5b83\u8fc7\u5927\uff0c\u90a3\u4e48\u5b66\u4e60\u8fc7\u7a0b\u6709\u53ef\u80fd\u65e0\u6cd5\u6536\u655b\u3002\u628aL\u4ee3\u5165\u5230\u8fd9\u4e2a\u66f4\u65b0\u89c4\u5219\u4e4b\u4e2d\uff0c\u5e76\u4e14\u5f00\u5c55\u51e0\u884c\u5fae\u79ef\u5206\u8ba1\u7b97\uff0c\u6211\u4eec\u5c31\u5f97\u5230\u3002<\/p>\n<p><img src='\/wp-content\/uploads\/2026\/01\/1767524729941_9.png' alt='\u65e0\u9650\u6ce8\u5fb7\u5dde\u6251\u514b_\u5f3a\u5316\u5b66\u4e60_all in\u5fb7\u5dde\u6251\u514b\u4ff1\u4e50\u90e8' \/><\/p>\n<p>\u4ee3\u7801\u7f16\u5199\u4f1a\u4f9d\u636e\uff0c\u6700\u540e\u4e00\u884c\u6240\u63d0\u4f9b\u7684\uff0c\u66f4\u65b0\u53c2\u6570\u7684\u51c6\u5219\u6765\u8fdb\u884c\uff0c\u8981\u7559\u610f\uff0c\u8fd9\u91cc\u7684\u03b8\u4ee5\u53ca\u03c6\uff0c\u5747\u4e3a\u957f\u5ea6\u662f7\u7684\u5411\u91cf\uff0c\u5e76\u4e14\uff0c\u8fd9\u91cc\u66f4\u65b0\u53c2\u6570\u7684\u51c6\u5219\uff0c\u662f\u5206\u522b\u9002\u7528\u4e8e\u6bcf\u4e2a\u5143\u7d20\u7684\u3002<\/p>\n<p>\u6574\u5408<\/p>\n<p>\u6700\u540e\uff0c\u8be5\u6574\u5408\u6240\u6709\u5185\u5bb9\u4e86\u3002\u91cd\u590d\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<p>1. \u968f\u673a\u53d1\u7ed9\u6bcf\u4e2a\u73a9\u5bb6\u624b\u724c\u3002<\/p>\n<p>2. \u4ee4\u73a9\u5bb6\u5404\u81ea\u9009\u62e9\u4e00\u4e2a\u52a8\u4f5c\u3002<\/p>\n<p>3. \u5f97\u5230\u7ed3\u679c\u3002<\/p>\n<p>4. \u4f7f\u7528\u89c2\u6d4b\u5230\u7684\uff08\u72b6\u6001\uff0c\u52a8\u4f5c\uff0c\u7ed3\u679c\uff09\u5143\u7ec4\u66f4\u65b0\u6a21\u578b\u3002<\/p>\n<p>\u5982\u4e0b\u7684\u51fd\u6570\uff0c\u540d\u4e3amc\uff0c\u5b83\u8fbe\u6210\u4e86\u8fd9\u822c\u7684\u8499\u7279\u5361\u7f57\u7b97\u6cd5\uff0c\u4e14\u8fd4\u8fd8\u51fa\u5b66\u4e60\u6a21\u578b\u7684\u53c2\u6570theta \u3002<\/p>\n<p><img src='\/wp-content\/uploads\/2026\/01\/1767524729941_10.jpg' alt='all in\u5fb7\u5dde\u6251\u514b\u4ff1\u4e50\u90e8_\u65e0\u9650\u6ce8\u5fb7\u5dde\u6251\u514b_\u5f3a\u5316\u5b66\u4e60' \/><\/p>\n<p>\u7279\u522b\u6ce8\u610f\uff0c\u4e0a\u8282\u63a8\u5bfc\u51fa\u7684\u53c2\u6570\u66f4\u65b0\u89c4\u5219\u5728\u4ee3\u7801\u4e2d\u5f97\u5230\u4e86\u5b9e\u73b0\u3002<\/p>\n<p>\u7ed3\u679c<\/p>\n<p>\u89e3\u91ca\u6a21\u578b<\/p>\n<p>\u672c\u4f8b\u4e2d\uff0c\u56fa\u5b9a S=10\u3002<\/p>\n<p>\u6570\u5b57\uff0c\u6211\u4eec\u5df2\u7136\u83b7\u53d6\uff0c\u7136\u800c\uff0c\u5b83\u4eec\u7a76\u7adf\u6709\u65e0\u610f\u4e49\u5462\uff1f\u5b9e\u9645\u4e0a\uff0c\u5b58\u5728\u7740\u82e5\u5e72\u79cd\u65b9\u5f0f\uff0c\u80fd\u591f\u52a9\u529b\u6211\u4eec\u53bb\u8fdb\u884c\u5224\u65ad\uff0c\u5e76\u4e14\u501f\u52a9\u5b83\u4eec\uff0c\u4ece\u800c\u83b7\u5f97\u4e00\u4e9b\u5173\u4e8e\u6a21\u578b\u7684\u89e3\u91ca\u3002<\/p>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u601d\u7d22\u67d0\u4e9b\u7279\u5b9a\u7684\u60c5\u5f62\u3002\u5f53SB\u8fdb\u884c\u5f03\u724c\uff08\u5373FOLD\uff09\u4e4b\u9645\uff0c\u5176\u4f30\u8ba1\u6570\u503c\u662f\u591a\u5c11\u5462\uff1f\u5f88\u8f7b\u6613\u80fd\u591f\u83b7\u53d6\uff0c\u9274\u4e8e\u5904\u4e8e\u8fd9\u4e00\u60c5\u5f62\u4e0b\u03c6\u76f8\u5bf9\u7b80\u6613\u3002\u5b9e\u9645\u4e0a\uff0c\u9664\u5f00\u7b2c1\u4e2a\uff08\u56fa\u5b9a\u4e3a1\uff09\u4ee5\u53ca\u7b2c6\u4e2a\uff08\u5bf9\u5e94\u7740isSB\uff09\u4ee5\u5916\uff0c\u6240\u6709\u7684\u5143\u7d20\u5747\u4e3a0\uff1aphi 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