{"id":1042,"date":"2021-08-20T19:23:17","date_gmt":"2021-08-20T11:23:17","guid":{"rendered":"https:\/\/xg1990.com\/blog\/?p=1042"},"modified":"2021-08-20T19:23:19","modified_gmt":"2021-08-20T11:23:19","slug":"%e7%bf%bb%e8%af%91%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0%e6%a8%a1%e5%9e%8b%e7%9a%84%e5%af%b9%e6%8a%97%e6%80%a7%e6%94%bb%e5%87%bb%e5%92%8c%e9%98%b2%e5%be%a1","status":"publish","type":"post","link":"https:\/\/xg1990.com\/blog\/archives\/1042","title":{"rendered":"[\u7ffb\u8bd1]\u673a\u5668\u5b66\u4e60\u6a21\u578b\u7684\u5bf9\u6297\u6027\u653b\u51fb\u548c\u9632\u5fa1"},"content":{"rendered":"\n<p>\u7ffb\u8bd1\u81ea\uff1a<a 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\u653b\u51fb\u65b9\u6cd5<\/h1>\n\n\n\n<h2>3.1\u767d\u76d2\u6570\u5b57\u653b\u51fb<\/h2>\n\n\n\n<p><strong>L-BFGS<\/strong><\/p>\n\n\n\n<p>L-BFGS \u662f\u795e\u7ecf\u7f51\u7edc\u7684\u4e2d\u95f4\u591a\u4e2a\u6837\u672c\u7684\u9996\u8981\u65b9\u6cd5\u4e4b\u4e00\u3002\u8be5\u65b9\u6cd5\u7684\u601d\u60f3\u662f\u89e3\u51b3\u4ee5\u4e0b\u4f18\u5316\u95ee\u9898\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/xg1990.com\/blog\/wp-content\/uploads\/2021\/08\/image.png\"><img loading=\"lazy\" width=\"1024\" height=\"115\" src=\"https:\/\/xg1990.com\/blog\/wp-content\/uploads\/2021\/08\/image-1024x115.png\" alt=\"\" class=\"wp-image-1044\" srcset=\"https:\/\/xg1990.com\/blog\/wp-content\/uploads\/2021\/08\/image-1024x115.png 1024w, https:\/\/xg1990.com\/blog\/wp-content\/uploads\/2021\/08\/image-300x34.png 300w, https:\/\/xg1990.com\/blog\/wp-content\/uploads\/2021\/08\/image-768x86.png 768w, https:\/\/xg1990.com\/blog\/wp-content\/uploads\/2021\/08\/image-1536x172.png 1536w, https:\/\/xg1990.com\/blog\/wp-content\/uploads\/2021\/08\/image.png 1572w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>\u4f5c\u8005\u4f7f\u7528L-BFGS\u65b9\u6cd5\u6765\u6c42\u89e3\u4e0a\u8ff0\u4f18\u5316\u95ee\u9898\uff0c\u56e0\u6b64\u8be5\u653b\u51fb\u7684\u540d\u79f0\u4e5f\u79f0\u4e3aL-BFGS\u3002<\/p>\n\n\n\n<p>\u8fd9\u79cd\u65b9\u6cd5\u7684\u4e00\u4e2a\u4e3b\u8981\u7f3a\u70b9\u662f\u901f\u5ea6\u5f88\u6162\u3002\u65b9\u6cd5\u4e0d\u662f\u4e3a\u4e86\u62b5\u6d88\u9632\u5fa1\u63aa\u65bd\uff0c\u4f8b\u5982\u51cf\u5c11\u7528\u4e8e\u5b58\u50a8\u6bcf\u4e2a\u50cf\u7d20\u7684\u4f4d\u6570\u3002\u76f8\u53cd\uff0c\u8be5\u65b9\u6cd5\u65e8\u5728\u627e\u5230\u53ef\u80fd\u7684\u6700\u5c0f\u653b\u51fb\u6270\u52a8\u3002\u8fd9\u610f\u5473\u7740\u8be5\u65b9\u6cd5\u6709\u65f6\u53ef\u80fd\u4ec5\u901a\u8fc7\u964d\u4f4e\u56fe\u50cf\u8d28\u91cf\uff08\u4f8b\u5982\uff0c\u901a\u8fc7\u820d\u5165\u5230\u6bcf\u4e2a\u50cf\u7d20\u76848\u4f4d\u8868\u793a\uff09\u800c\u5931\u8d25\u3002<\/p>\n\n\n\n<p><strong>\u5feb\u901f\u68af\u5ea6\u7b26\u53f7\u6cd5\uff08<\/strong><strong>FGSM<\/strong><strong>\uff09<\/strong><strong><\/strong><\/p>\n\n\n\n<p>FGSM\u662f\u4e3a\u4e86\u9a8c\u8bc1\u4ec5\u4f7f\u7528\u76ee\u6807\u6a21\u578b\u7684\u7ebf\u6027\u8fd1\u4f3c\u5373\u53ef\u627e\u5230\u5bf9\u6297\u6027\u6837\u672c\u7684\u60f3\u6cd5\u3002FGSM\u901a\u8fc7\u7ebf\u6027\u5316\u635f\u8017\u51fd\u6570\u7684\u90bb\u57df\u6765\u5b9e\u73b0\u653b\u51fb\uff0c\u5e76\u4f7f\u7528\u4ee5\u4e0b\u95ed\u5408\u5f62\u5f0f\u65b9\u7a0b\u627e\u5230\u7ebf\u6027\u5316\u51fd\u6570\u7684\u7cbe\u786e\u6700\u5927\u503c\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/xg1990.com\/blog\/wp-content\/uploads\/2021\/08\/image-1.png\"><img loading=\"lazy\" width=\"788\" height=\"138\" src=\"https:\/\/xg1990.com\/blog\/wp-content\/uploads\/2021\/08\/image-1.png\" alt=\"\" class=\"wp-image-1045\" srcset=\"https:\/\/xg1990.com\/blog\/wp-content\/uploads\/2021\/08\/image-1.png 788w, https:\/\/xg1990.com\/blog\/wp-content\/uploads\/2021\/08\/image-1-300x53.png 300w, https:\/\/xg1990.com\/blog\/wp-content\/uploads\/2021\/08\/image-1-768x134.png 768w\" sizes=\"(max-width: 788px) 100vw, 788px\" 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