{"id":14603,"date":"2024-01-13T14:10:03","date_gmt":"2024-01-13T10:40:03","guid":{"rendered":"https:\/\/www.itpiran.net\/blog\/?p=14603"},"modified":"2024-01-13T14:10:03","modified_gmt":"2024-01-13T10:40:03","slug":"python-libraries","status":"publish","type":"post","link":"https:\/\/www.itpiran.net\/blog\/zh\/tutorials\/python-libraries\/","title":{"rendered":"2024 \u5e74\u5341\u5927 Python \u5e93"},"content":{"rendered":"<h2 id=\"%d9%85%d9%82%d8%af%d9%85%d9%87\">\u4ecb\u7ecd<\/h2>\n<p>\u5728\u5f53\u4eca\u4e16\u754c\uff0c\u79d1\u6280\u5728\u751f\u6d3b\u7684\u65b9\u65b9\u9762\u9762\u90fd\u626e\u6f14\u7740\u65e5\u76ca\u91cd\u8981\u7684\u89d2\u8272\uff0c\u6211\u4eec\u9700\u8981\u9009\u62e9\u4e00\u79cd\u80fd\u591f\u6709\u6548\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u7684\u7f16\u7a0b\u8bed\u8a00\u3002Python \u5c31\u662f\u8fd9\u6837\u4e00\u79cd\u7f16\u7a0b\u8bed\u8a00\u3002\u8fd1\u5e74\u6765\uff0c\u7531\u4e8e\u5176\u5728\u8f6f\u4ef6\u5de5\u7a0b\u3001\u673a\u5668\u5b66\u4e60\u3001\u6570\u636e\u79d1\u5b66\u7b49\u5404\u4e2a\u884c\u4e1a\u7684\u5e7f\u6cdb\u5e94\u7528\uff0cPython \u7684\u53d7\u6b22\u8fce\u7a0b\u5ea6\u4e0e\u65e5\u4ff1\u589e\u3002Python \u62e5\u6709\u6570\u91cf\u5e9e\u5927\u7684\u5e93\uff0c\u8fd9\u4e5f\u662f\u5176\u5e7f\u53d7\u6b22\u8fce\u7684\u539f\u56e0\u4e4b\u4e00\u3002\u6b63\u56e0\u5982\u6b64\uff0c\u8bb8\u591a\u65b0\u5174\u4eba\u624d\u9009\u62e9 Python \u4f5c\u4e3a\u4ed6\u4eec\u7684\u4e3b\u8981\u7f16\u7a0b\u8bed\u8a00\u3002\u56e0\u6b64\uff0c\u672c\u6587\u65e8\u5728\u5411\u8bfb\u8005\u4ecb\u7ecd\u6700\u8457\u540d\u7684 Python \u5e93\u53ca\u5176\u5728\u5f53\u4eca\u4e16\u754c\u7684\u5e94\u7528\u3002.<\/p>\n<h2 id=\"%da%a9%d8%aa%d8%a7%d8%a8%d8%ae%d8%a7%d9%86%d9%87-%da%86%db%8c%d8%b3%d8%aa%d8%9f\">\u4ec0\u4e48\u662f\u56fe\u4e66\u9986\uff1f<\/h2>\n<p>\u5e93\u662f\u65b9\u6cd5\u3001\u7c7b\u548c\u5b9e\u7528\u6a21\u5757\u7684\u96c6\u5408\uff0c\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801\u53ef\u4ee5\u4f7f\u7528\u5b83\u4eec\u6765\u6267\u884c\u7279\u5b9a\u4efb\u52a1\uff0c\u800c\u65e0\u9700\u4ece\u5934\u5f00\u59cb\u7f16\u5199\u51fd\u6570\u3002\u7531\u4e8e\u5e93\u901a\u5e38\u4f5c\u7528\u57df\u8f83\u7a84\uff08\u4f8b\u5982\uff0c\u5b57\u7b26\u4e32\u3001I\/O \u548c\u5957\u63a5\u5b57\uff09\uff0c\u56e0\u6b64\u5176 API\uff08\u5e94\u7528\u7a0b\u5e8f\u7f16\u7a0b\u63a5\u53e3\uff09\u66f4\u5c0f\uff0c\u4f9d\u8d56\u9879\u4e5f\u66f4\u5c11\u3002\u5b83\u5b9e\u9645\u4e0a\u5c31\u662f\u4e00\u4e2a\u7c7b\u5b9a\u4e49\u5217\u8868\u3002\u73b0\u5728\uff0c\u6bcf\u4e2a\u4eba\u90fd\u5e94\u8be5\u601d\u8003\u7684\u95ee\u9898\u662f\uff1a\u4e3a\u4ec0\u4e48\u6211\u4eec\u9700\u8981\u5e93\uff1f\u7b54\u6848\u5f88\u7b80\u5355\uff1a\u4ee3\u7801\u91cd\u7528\u3002\u4ee3\u7801\u91cd\u7528\u5c31\u662f\u4f7f\u7528\u5176\u4ed6\u4eba\u5df2\u7ecf\u7f16\u5199\u6216\u7f16\u5199\u7684\u4ee3\u7801\u6765\u5b9e\u73b0\u6211\u4eec\u81ea\u5df1\u7684\u76ee\u6807\u3002\u4f8b\u5982\uff0c\u4e00\u4e9b\u5e93\u63d0\u4f9b\u4e86\u4e00\u4e2a\u540d\u4e3a `findLastIndex(char)` \u7684\u51fd\u6570\uff0c\u7528\u4e8e\u8fd4\u56de\u5b57\u7b26\u4e32\u4e2d\u67d0\u4e2a\u5b57\u7b26\u7684\u6700\u540e\u4e00\u4e2a\u7d22\u5f15\u3002\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u8c03\u7528\u5e93\u7684 `findLastIndex(charToFind)` \u51fd\u6570\uff0c\u5e76\u5c06\u9700\u8981\u67e5\u627e\u4f4d\u7f6e\u7684\u5b57\u7b26\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u5b83\u3002\u5bf9\u4e8e\u7a0b\u5e8f\u5458\u6765\u8bf4\uff0c\u5e93\u5c31\u50cf\u5929\u4f7f\u4e00\u6837\uff0c\u5b83\u4eec\u907f\u514d\u4e86\u91cd\u590d\u9020\u8f6e\u5b50\uff0c\u4f7f\u7a0b\u5e8f\u5458\u80fd\u591f\u4e13\u6ce8\u4e8e\u771f\u6b63\u7684\u95ee\u9898\u3002.<\/p>\n<h2 id=\"%da%a9%d8%aa%d8%a7%d8%a8%d8%ae%d8%a7%d9%86%d9%87-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%da%86%db%8c%d8%b3%d8%aa%d8%9f\">\u4ec0\u4e48\u662fPython\u5e93\uff1f<\/h2>\n<p>\u5728\u6df1\u5165\u63a2\u8ba8\u6700\u6d41\u884c\u7684 Python \u5e93\u4e4b\u524d\uff0c\u8ba9\u6211\u4eec\u5148\u5feb\u901f\u4e86\u89e3\u4e00\u4e0b Python \u7f16\u7a0b\u8bed\u8a00\u3002\u60f3\u5fc5\u60a8\u4e00\u5b9a\u542c\u8bf4\u8fc7\u00abPython\u00bb\u8fd9\u4e2a\u540d\u5b57\u3002Python \u7531 Guido Van Rossum \u4e8e 20 \u4e16\u7eaa 80 \u5e74\u4ee3\u521b\u7acb\uff0c\u5982\u4eca\u5df2\u6210\u4e3a\u4e00\u79cd\u98a0\u8986\u6027\u7684\u7f16\u7a0b\u8bed\u8a00\u3002\u5b83\u662f\u5f53\u4eca\u4f7f\u7528\u6700\u5e7f\u6cdb\u7684\u7f16\u7a0b\u8bed\u8a00\u4e4b\u4e00\uff0c\u5e94\u7528\u4e8e\u5404\u79cd\u9886\u57df\u3002Python \u7684\u6d41\u884c\u53ef\u4ee5\u5f52\u56e0\u4e8e\u4ee5\u4e0b\u51e0\u4e2a\u56e0\u7d20\uff1a<\/p>\n<ul>\n<li>Python \u81ea\u5e26\u4e00\u7cfb\u5217\u5e93\u3002.<\/li>\n<li>Python \u662f\u4e00\u79cd\u9002\u5408\u521d\u5b66\u8005\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u56e0\u4e3a\u5b83\u7b80\u5355\u6613\u7528\u3002.<\/li>\n<li>Python \u5e0c\u671b\u5176\u5f00\u53d1\u8005\u5728\u5f00\u53d1\u3001\u90e8\u7f72\u548c\u7ef4\u62a4\u7684\u5404\u4e2a\u65b9\u9762\u90fd\u80fd\u63d0\u9ad8\u6548\u7387\u3002.<\/li>\n<li>Python \u5e7f\u53d7\u6b22\u8fce\u7684\u53e6\u4e00\u4e2a\u539f\u56e0\u662f\u5b83\u8f7b\u91cf\u7ea7\uff0c\u53ef\u4ee5\u5728\u914d\u7f6e\u8f83\u4f4e\u7684\u7cfb\u7edf\u4e0a\u4f7f\u7528\u3002.<\/li>\n<li>\u4e0e C\u3001Java \u548c C++ \u76f8\u6bd4\uff0cPython \u7684\u7f16\u7a0b\u8bed\u6cd5\u7b80\u5355\u6613\u5b66\uff0c\u62bd\u8c61\u7a0b\u5ea6\u5f88\u9ad8\u3002.<\/li>\n<\/ul>\n<p>\u6b63\u5982\u4e0a\u6587\u7b2c\u4e00\u70b9\u6240\u8ff0\uff0cPython \u7684\u6d41\u884c\u5f88\u5927\u7a0b\u5ea6\u4e0a\u5f52\u529f\u4e8e\u5176\u4e30\u5bcc\u4e14\u6613\u4e8e\u4f7f\u7528\u7684\u5e93\u3002Python \u5e93\u662f\u4e00\u7cfb\u5217\u5b9e\u7528\u51fd\u6570\u7684\u96c6\u5408\uff0c\u4f7f\u6211\u4eec\u80fd\u591f\u65e0\u9700\u4ece\u96f6\u5f00\u59cb\u7f16\u5199\u4ee3\u7801\u3002Python \u62e5\u6709\u8d85\u8fc7 137,000 \u4e2a\u5e93\uff0c\u53ef\u7528\u4e8e\u521b\u5efa\u5404\u79cd\u9886\u57df\u7684\u7a0b\u5e8f\u548c\u6a21\u578b\uff0c\u4f8b\u5982\u673a\u5668\u5b66\u4e60\u3001\u6570\u636e\u79d1\u5b66\u3001\u6570\u636e\u53ef\u89c6\u5316\u3001\u56fe\u50cf\u548c\u6570\u636e\u5904\u7406\u7b49\u7b49\u3002.<\/p>\n<h2 id=\"1-pandas\">1. \u718a\u732b<\/h2>\n<p><img  loading=\"lazy\"  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  width=\"768\"  height=\"311\"  class=\"aligncenter wp-image-14605 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 768px) 100vw, 768px\"  data-pk-src=\"https:\/\/cdn.itpiran.net\/2024\/01\/13132053\/Pandas.png\"  data-pk-srcset=\"https:\/\/cdn.itpiran.net\/2024\/01\/13132053\/Pandas.png 768w, https:\/\/cdn.itpiran.net\/2024\/01\/13132053\/Pandas-300x121.png 300w, https:\/\/cdn.itpiran.net\/2024\/01\/13132053\/Pandas-110x45.png 110w, https:\/\/cdn.itpiran.net\/2024\/01\/13132053\/Pandas-200x81.png 200w, https:\/\/cdn.itpiran.net\/2024\/01\/13132053\/Pandas-380x154.png 380w, https:\/\/cdn.itpiran.net\/2024\/01\/13132053\/Pandas-255x103.png 255w, https:\/\/cdn.itpiran.net\/2024\/01\/13132053\/Pandas-550x223.png 550w\" ><\/p>\n<p>Pandas \u662f\u4e00\u4e2a\u57fa\u4e8e BSD\uff08\u4f2f\u514b\u5229\u8f6f\u4ef6\u53d1\u884c\u7248\uff09\u8bb8\u53ef\u7684\u5f00\u6e90\u5e93\u3002\u8fd9\u4e2a\u6d41\u884c\u7684\u5e93\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6570\u636e\u79d1\u5b66\u9886\u57df\u3002\u5b83\u4e3b\u8981\u7528\u4e8e\u6570\u636e\u5206\u6790\u3001\u5904\u7406\u3001\u6e05\u6d17\u7b49\u3002Pandas \u5141\u8bb8\u8fdb\u884c\u6570\u636e\u5efa\u6a21\u548c\u6570\u636e\u5206\u6790\u64cd\u4f5c\uff0c\u800c\u65e0\u9700\u5207\u6362\u5230\u5176\u4ed6\u8bed\u8a00\uff0c\u4f8b\u5982 R\u3002Python \u5e93\u901a\u5e38\u652f\u6301\u4ee5\u4e0b\u6570\u636e\u7c7b\u578b\uff1a<\/p>\n<ul>\n<li>\u6570\u636e\u96c6\u4e2d\u7684\u6570\u636e\u3002.<\/li>\n<li>\u5305\u542b\u6709\u5e8f\u548c\u65e0\u5e8f\u6570\u636e\u7684\u65f6\u95f4\u5e8f\u5217\u3002.<\/li>\n<li>\u77e9\u9635\u6570\u636e\u7684\u884c\u548c\u5217\u90fd\u5df2\u6807\u6ce8\u3002.<\/li>\n<li>\u672a\u6807\u6ce8\u7684\u4fe1\u606f\u3002.<\/li>\n<li>\u5176\u4ed6\u4efb\u4f55\u7c7b\u578b\u7684\u7edf\u8ba1\u4fe1\u606f\u3002.<\/li>\n<\/ul>\n<h2 id=\"2-numpy\">2. NumPy<\/h2>\n<p><img  loading=\"lazy\"  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/11\/Numpy.png\"  class=\"aligncenter pk-lazyload\"  width=\"225\"  height=\"225\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/11\/Numpy.png\" ><br \/>\nNumPy \u662f\u6700\u5e7f\u6cdb\u4f7f\u7528\u7684\u5f00\u6e90 Python \u5e93\u4e4b\u4e00\uff0c\u4e13\u6ce8\u4e8e\u79d1\u5b66\u8ba1\u7b97\u3002\u5b83\u5185\u7f6e\u4e86\u7528\u4e8e\u5feb\u901f\u8ba1\u7b97\u7684\u6570\u5b66\u51fd\u6570\uff0c\u5e76\u652f\u6301\u5927\u578b\u77e9\u9635\u548c\u591a\u7ef4\u6570\u636e\u3002\u201c\u6570\u503c Python\u201d\u7684\u6982\u5ff5\u6b63\u662f\u7531\u201cNumPy\u201d\u4e00\u8bcd\u5b9a\u4e49\u7684\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u7ebf\u6027\u4ee3\u6570\u8fd0\u7b97\u3001\u4f5c\u4e3a\u901a\u7528\u6570\u636e\u7684\u591a\u7ef4\u5bb9\u5668\u4ee5\u53ca\u968f\u673a\u6570\u751f\u6210\u5668\u7b49\u7b49\u3002NumPy \u7684\u4e00\u4e9b\u91cd\u8981\u51fd\u6570\u5305\u62ec\uff1aarcsin()\u3001arccos()\u3001tan()\u3001radians() \u7b49\u3002\u5728 Python \u4e2d\uff0cNumPy \u6570\u7ec4\u6bd4\u5217\u8868\u66f4\u53d7\u6b22\u8fce\uff0c\u56e0\u4e3a\u5b83\u5360\u7528\u5185\u5b58\u66f4\u5c11\uff0c\u901f\u5ea6\u66f4\u5feb\uff0c\u4e5f\u66f4\u5bb9\u6613\u4f7f\u7528\u3002.<\/p>\n<h5 id=\"%d8%a7%d9%85%da%a9%d8%a7%d9%86%d8%a7%d8%aa\">\u7279\u5f81\uff1a<\/h5>\n<ol>\n<li>\u4ea4\u4e92\u5f0f\uff1aNumpy \u662f\u4e00\u4e2a\u975e\u5e38\u4ea4\u4e92\u5f0f\u4e14\u7528\u6237\u53cb\u597d\u7684\u5e93\u3002.<\/li>\n<li>\u6570\u5b66\uff1aNumPy \u7b80\u5316\u4e86\u590d\u6742\u6570\u5b66\u65b9\u7a0b\u7684\u6267\u884c\u3002.<\/li>\n<li>\u76f4\u89c2\u6613\u61c2\uff1a\u8ba9\u7f16\u7801\u548c\u7406\u89e3\u76f8\u5173\u4e3b\u9898\u53d8\u5f97\u7b80\u5355\u3002.<\/li>\n<li>\u9ad8\u4e92\u52a8\u6027\uff1a\u7531\u4e8e\u5b83\u88ab\u5e7f\u6cdb\u4f7f\u7528\uff0c\u56e0\u6b64\u4e92\u52a8\u6027\u5f88\u5f3a\uff0c\u4e5f\u56e0\u6b64\u6709\u5f88\u591a\u5f00\u6e90\u8d21\u732e\u3002.<\/li>\n<\/ol>\n<p>NumPy\u63a5\u53e3\u53ef\u7528\u4e8e\u5c06\u56fe\u50cf\u3001\u97f3\u9891\u6ce2\u5f62\u548c\u5176\u4ed6\u539f\u59cb\u4e8c\u8fdb\u5236\u6d41\u8868\u793a\u4e3aN\u7ef4\u5b9e\u6570\u503c\u6570\u7ec4\uff0c\u4ee5\u4fbf\u8fdb\u884c\u53ef\u89c6\u5316\u3002\u5168\u6808\u5f00\u53d1\u4eba\u5458\u9700\u8981\u638c\u63e1NumPy\u77e5\u8bc6\u624d\u80fd\u5c06\u6b64\u5e93\u5e94\u7528\u4e8e\u673a\u5668\u5b66\u4e60\u3002.<\/p>\n<h2 id=\"3-keras\">3. \u514b\u62c9\u65af<\/h2>\n<p><img  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/11\/Keras-768x223.png\"  class=\"pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/11\/Keras-768x223.png\" ><br \/>\nKeras \u662f\u4e00\u4e2a\u57fa\u4e8e Python \u7684\u5f00\u6e90\u795e\u7ecf\u7f51\u7edc\u5e93\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u5feb\u901f\u6d4b\u8bd5\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\u3002\u968f\u7740\u6df1\u5ea6\u5b66\u4e60\u7684\u65e5\u76ca\u666e\u53ca\uff0cKeras \u6b63\u9010\u6e10\u6210\u4e3a\u4e00\u4e2a\u7edd\u4f73\u7684\u9009\u62e9\uff0c\u56e0\u4e3a\u6b63\u5982\u5176\u521b\u5efa\u8005\u6240\u8a00\uff0c\u5b83\u662f\u4e00\u4e2a\u4e13\u4e3a\u4eba\u7c7b\u800c\u975e\u673a\u5668\u8bbe\u8ba1\u7684 API\uff08\u5e94\u7528\u7a0b\u5e8f\u7f16\u7a0b\u63a5\u53e3\uff09\u3002Keras \u5728\u4e1a\u754c\u548c\u7814\u7a76\u9886\u57df\u7684\u91c7\u7528\u7387\u9ad8\u4e8e TensorFlow \u6216 Theano\u3002\u5efa\u8bae\u5728\u5b89\u88c5 Keras \u4e4b\u524d\u5148\u5b89\u88c5 TensorFlow \u540e\u7aef\u5f15\u64ce\u3002.<\/p>\n<h5 id=\"%d8%a7%d9%85%da%a9%d8%a7%d9%86%d8%a7%d8%aa-2\">\u7279\u5f81\uff1a<\/h5>\n<ol>\n<li>\u5b83\u5728 CPU\uff08\u4e2d\u592e\u5904\u7406\u5668\uff09\u548c GPU\uff08\u56fe\u5f62\u5904\u7406\u5668\uff09\u4e0a\u90fd\u80fd\u6d41\u7545\u8fd0\u884c\uff0c\u6ca1\u6709\u4efb\u4f55\u95ee\u9898\u3002.<\/li>\n<li>Keras \u652f\u6301\u51e0\u4e4e\u6240\u6709\u795e\u7ecf\u7f51\u7edc\u6a21\u578b\uff0c\u5305\u62ec\u5168\u8fde\u63a5\u6a21\u578b\u3001\u5377\u79ef\u6a21\u578b\u3001\u6c60\u5316\u6a21\u578b\u3001\u5faa\u73af\u6a21\u578b\u3001\u5d4c\u5165\u6a21\u578b\u7b49\u3002\u8fd9\u4e9b\u6a21\u578b\u8fd8\u53ef\u4ee5\u7ec4\u5408\u8d77\u6765\u521b\u5efa\u66f4\u590d\u6742\u7684\u6a21\u578b\u3002.<\/li>\n<li>Keras \u7684\u6a21\u5757\u5316\u8bbe\u8ba1\u4f7f\u5176\u5177\u6709\u9ad8\u5ea6\u7684\u8868\u73b0\u529b\u3001\u9002\u5e94\u6027\u548c\u9002\u5e94\u6027\uff0c\u5e76\u9002\u7528\u4e8e\u9ad8\u7ea7\u7814\u7a76\u3002.<\/li>\n<li>Keras \u662f\u4e00\u4e2a\u57fa\u4e8e Python \u7684\u6846\u67b6\uff0c\u5b83\u7b80\u5316\u4e86\u5404\u79cd\u6a21\u578b\u548c\u9879\u76ee\u7684\u8c03\u8bd5\u548c\u63a2\u7d22\u3002.<\/li>\n<\/ol>\n<h2 id=\"4-tensorflow\">4. TensorFlow<\/h2>\n<p><img  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/10\/tf_logo_social-768x432.png\"  class=\"aligncenter pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/10\/tf_logo_social-768x432.png\" ><br \/>\nTensorFlow \u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684\u5f00\u6e90\u6570\u503c\u8ba1\u7b97\u5e93\uff0c\u4e5f\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6df1\u5ea6\u5b66\u4e60\u7b97\u6cd5\u548c\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\u4e2d\u3002\u5b83\u7531\u8c37\u6b4c\u4eba\u5de5\u667a\u80fd\u90e8\u95e8 Google Brain \u56e2\u961f\u7684\u7814\u7a76\u4eba\u5458\u521b\u5efa\uff0c\u5982\u4eca\u5df2\u88ab\u6570\u5b66\u3001\u7269\u7406\u548c\u673a\u5668\u5b66\u4e60\u9886\u57df\u7684\u7814\u7a76\u4eba\u5458\u5e7f\u6cdb\u7528\u4e8e\u590d\u6742\u7684\u6570\u5b66\u8ba1\u7b97\u3002TensorFlow \u7684\u8bbe\u8ba1\u76ee\u6807\u662f\u5feb\u901f\u8fd0\u884c\uff0c\u5b83\u91c7\u7528\u4e86\u8bf8\u5982 XLA\uff08\u52a0\u901f\u7ebf\u6027\u4ee3\u6570\uff0c\u4e00\u79cd\u7279\u5b9a\u9886\u57df\u7684\u7ebf\u6027\u4ee3\u6570\u7f16\u8bd1\u5668\uff0c\u65e0\u9700\u4fee\u6539\u6e90\u4ee3\u7801\u5373\u53ef\u52a0\u901f TensorFlow \u6a21\u578b\uff09\u7b49\u6280\u672f\u6765\u6267\u884c\u5feb\u901f\u7684\u7ebf\u6027\u4ee3\u6570\u8ba1\u7b97\u3002.<\/p>\n<h5 id=\"%d8%a7%d9%85%da%a9%d8%a7%d9%86%d8%a7%d8%aa-3\">\u7279\u5f81\uff1a<\/h5>\n<ol>\n<li>\u54cd\u5e94\u5f0f\u7ed3\u6784\uff1a\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 TensorFlow \u8f7b\u677e\u53ef\u89c6\u5316\u56fe\u7684\u4efb\u4f55\u90e8\u5206\uff0c\u800c Numpy \u6216 SciKit \u5219\u65e0\u6cd5\u505a\u5230\u8fd9\u4e00\u70b9\u3002.<\/li>\n<li>\u591a\u529f\u80fd\u6027\uff1aTensorflow \u6700\u91cd\u8981\u7684\u7279\u6027\u4e4b\u4e00\u662f\u5176\u5728\u673a\u5668\u5b66\u4e60\u6a21\u578b\u65b9\u9762\u7684\u7075\u6d3b\u6027\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u662f\u6a21\u5757\u5316\u7684\uff0c\u5141\u8bb8\u60a8\u81ea\u884c\u6784\u5efa\u5176\u5404\u4e2a\u90e8\u5206\u3002.<\/li>\n<li>\u5728 TensorFlow \u4e2d\u8bad\u7ec3\u673a\u5668\u5b66\u4e60\u6a21\u578b\u5f88\u7b80\u5355\uff1a\u53ef\u4ee5\u4f7f\u7528 TensorFlow \u5728 CPU \u548c GPU \u4e0a\u8f7b\u677e\u8bad\u7ec3\u673a\u5668\u5b66\u4e60\u6a21\u578b\uff0c\u5b9e\u73b0\u5206\u5e03\u5f0f\u8ba1\u7b97\u3002.<\/li>\n<li>\u5e76\u884c\u795e\u7ecf\u7f51\u7edc\u8bad\u7ec3\uff1aTensorFlow \u5141\u8bb8\u60a8\u540c\u65f6\u8bad\u7ec3\u591a\u4e2a\u795e\u7ecf\u7f51\u7edc\u548c GPU\u3002.<\/li>\n<li>\u5f00\u6e90\u4e14\u62e5\u6709\u5e9e\u5927\u7684\u793e\u533a\uff1a\u6beb\u65e0\u7591\u95ee\uff0c\u65e2\u7136\u662f\u7531\u8c37\u6b4c\u5f00\u53d1\u7684\uff0c\u5c31\u5fc5\u7136\u6709\u4e00\u652f\u5b9e\u529b\u96c4\u539a\u7684\u8f6f\u4ef6\u4e13\u5bb6\u56e2\u961f\u81f4\u529b\u4e8e\u6301\u7eed\u63d0\u5347\u5176\u7a33\u5b9a\u6027\u3002\u8fd9\u6b3e\u673a\u5668\u5b66\u4e60\u5e93\u6700\u5927\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u662f\u5f00\u6e90\u7684\uff0c\u8fd9\u610f\u5473\u7740\u4efb\u4f55\u80fd\u591f\u4e0a\u7f51\u7684\u4eba\u90fd\u53ef\u4ee5\u4f7f\u7528\u5b83\u3002.<\/li>\n<\/ol>\n<h2 id=\"5-scikit-learn\">5. Scikit-learn<\/h2>\n<p><img  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/11\/Scikit-Learn-550x296.png\"  class=\"aligncenter pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/11\/Scikit-Learn-550x296.png\" ><br \/>\nScikit-learn \u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\u5e93\uff0c\u53ef\u5728 Python \u73af\u5883\u4e0b\u8fd0\u884c\u3002\u5b83\u53ef\u7528\u4e8e\u76d1\u7763\u5b66\u4e60\u548c\u975e\u76d1\u7763\u5b66\u4e60\u7b97\u6cd5\u3002\u8be5\u5e93\u5305\u542b\u5e38\u7528\u7684\u7b97\u6cd5\u4ee5\u53ca NumPy\u3001Matplotlib \u548c SciPy \u5305\u3002Scikit-learn \u6700\u4e3a\u4eba\u719f\u77e5\u7684\u5e94\u7528\u662f Spotify \u7684\u97f3\u4e50\u63a8\u8350\u7cfb\u7edf\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8 Scikit-learn \u7684\u4e00\u4e9b\u5173\u952e\u7279\u6027\uff1a<\/p>\n<ol>\n<li>\u4ea4\u53c9\u9a8c\u8bc1\uff1aScikit Learn \u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u68c0\u67e5\u76d1\u7763\u6a21\u578b\u5728\u672a\u89c1\u8fc7\u7684\u6570\u636e\u4e0a\u7684\u51c6\u786e\u6027\uff0c\u4f8b\u5982 train_test_split \u65b9\u6cd5\u3001cross_val_score \u7b49\u3002.<\/li>\n<li>\u65e0\u76d1\u7763\u5b66\u4e60\u6280\u672f\uff1a\u6709\u591a\u79cd\u65e0\u76d1\u7763\u5b66\u4e60\u7b97\u6cd5\u53ef\u4f9b\u9009\u62e9\uff0c\u5305\u62ec\u805a\u7c7b\u3001\u56e0\u5b50\u5206\u6790\u3001\u4e3b\u6210\u5206\u5206\u6790\u548c\u65e0\u76d1\u7763\u795e\u7ecf\u7f51\u7edc\u3002.<\/li>\n<li>\u7279\u5f81\u63d0\u53d6\uff1a\u4ece\u56fe\u50cf\u548c\u6587\u672c\u4e2d\u63d0\u53d6\u7279\u5f81\u662f\u4e00\u79cd\u6709\u7528\u7684\u5de5\u5177\uff08\u4f8b\u5982\u8bcd\u888b\u6a21\u578b\uff09\u3002.<\/li>\n<\/ol>\n<h2 id=\"6-eli5\">6. Eli5<\/h2>\n<p><img  loading=\"lazy\"  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  width=\"380\"  height=\"380\"  class=\"aligncenter wp-image-14606 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 380px) 100vw, 380px\"  data-pk-src=\"https:\/\/cdn.itpiran.net\/2024\/01\/13134717\/Eli5.jpg\"  data-pk-srcset=\"https:\/\/cdn.itpiran.net\/2024\/01\/13134717\/Eli5.jpg 380w, https:\/\/cdn.itpiran.net\/2024\/01\/13134717\/Eli5-300x300.jpg 300w, https:\/\/cdn.itpiran.net\/2024\/01\/13134717\/Eli5-150x150.jpg 150w, https:\/\/cdn.itpiran.net\/2024\/01\/13134717\/Eli5-110x110.jpg 110w, https:\/\/cdn.itpiran.net\/2024\/01\/13134717\/Eli5-200x200.jpg 200w, https:\/\/cdn.itpiran.net\/2024\/01\/13134717\/Eli5-255x255.jpg 255w\" ><\/p>\n<p>\u673a\u5668\u5b66\u4e60\u6a21\u578b\u7684\u9884\u6d4b\u7ed3\u679c\u5e38\u5e38\u4e0d\u51c6\u786e\uff0c\u800c Eli5 Python \u673a\u5668\u5b66\u4e60\u5e93\u6b63\u662f\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e00\u96be\u9898\u800c\u5f00\u53d1\u7684\u3002\u5b83\u96c6\u6210\u4e86\u673a\u5668\u5b66\u4e60\u6a21\u578b\u7684\u53ef\u89c6\u5316\u548c\u8c03\u8bd5\u529f\u80fd\uff0c\u5e76\u80fd\u8ffd\u8e2a\u7b97\u6cd5\u7684\u6574\u4e2a\u8fd0\u884c\u8fc7\u7a0b\u3002Eli5 \u652f\u6301\u7684\u90e8\u5206\u5e93\u5305\u62ec XGBoost\u3001lightning\u3001scikit-learn \u548c sklearn crfsuite\u3002.<\/p>\n<h5 id=\"%d8%a7%d8%ac%d8%a7%d8%b2%d9%87-%d8%af%d9%87%db%8c%d8%af-%d8%a7%da%a9%d9%86%d9%88%d9%86-%d8%af%d8%b1-%d9%85%d9%88%d8%b1%d8%af-%d8%a8%d8%b1%d8%ae%db%8c-%d8%a7%d8%b2-%d8%a8%d8%b1%d9%86%d8%a7%d9%85%d9%87\">\u73b0\u5728\u6211\u4eec\u6765\u8c08\u8c08 Eli5 \u7684\u4e00\u4e9b\u5e94\u7528\uff1a<\/h5>\n<ol>\n<li>ELI5 \u662f\u4e00\u4e2a Python \u5305\uff0c\u7528\u4e8e\u68c0\u67e5\u673a\u5668\u5b66\u4e60\u5206\u7c7b\u5668\u5e76\u89e3\u91ca\u5176\u9884\u6d4b\u7ed3\u679c\u3002\u5b83\u5e38\u7528\u4e8e\u8c03\u8bd5 sklearn \u56de\u5f52\u5668\u7b49\u7b97\u6cd5\u4ee5\u53ca XGBoost\u3001CatBoost\u3001Keras \u7b49\u5206\u7c7b\u5668\u3002.<\/li>\n<li>\u5f53\u9700\u8981\u4f9d\u8d56\u5176\u4ed6 Python \u5305\u65f6\uff0cEli5 \u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002.<\/li>\n<li>Eli5 \u4e5f\u88ab\u5e94\u7528\u4e8e\u5404\u79cd\u9700\u8981\u5b9e\u65bd\u4f20\u7edf\u8f6f\u4ef6\u548c\u521b\u65b0\u65b9\u6cd5\u7684\u884c\u4e1a\u3002.<\/li>\n<\/ol>\n<h2 id=\"7-scipy\">7. SciPy<\/h2>\n<p><img  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/11\/SciPy.png\"  class=\"aligncenter pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/11\/SciPy.png\" ><br \/>\n<span>SciPy \u662f\u4e00\u4e2a\u514d\u8d39\u5f00\u6e90\u7684 Python \u5e93\uff0c\u7528\u4e8e\u79d1\u5b66\u8ba1\u7b97\u3001\u6570\u636e\u5904\u7406\u548c\u9ad8\u6027\u80fd\u8ba1\u7b97\u3002\u8be5\u5e93\u5305\u542b\u5927\u91cf\u6613\u4e8e\u4f7f\u7528\u7684\u5feb\u901f\u8ba1\u7b97\u4f8b\u7a0b\u3002\u5b83\u57fa\u4e8e NumPy \u6269\u5c55\uff0cNumPy \u6269\u5c55\u652f\u6301\u6570\u636e\u5904\u7406\u3001\u53ef\u89c6\u5316\u4ee5\u53ca\u9ad8\u7ea7\u547d\u4ee4\u3002SciPy \u4e0e NumPy \u914d\u5408\u4f7f\u7528\u8fdb\u884c\u6570\u5b66\u8ba1\u7b97\u3002NumPy \u8d1f\u8d23\u6570\u7ec4\u6570\u636e\u7684\u6392\u5e8f\u548c\u7d22\u5f15\uff0c\u800c SciPy \u5219\u5b58\u50a8\u6570\u503c\u4ee3\u7801\u3002Cluster\u3001constant\u3001fftpack\u3001merge\u3001interpolation\u3001io\u3001linalg\u3001ndimage\u3001odr\u3001optimize\u3001signal\u3001sparse\u3001spatial\u3001eigen \u548c statistics \u53ea\u662f SciPy \u4f17\u591a\u5b50\u5305\u4e2d\u7684\u4e00\u90e8\u5206\u3002\u8981\u4ece SciPy \u5bfc\u5165\u5b50\u5305\uff0c\u53ef\u4ee5\u4f7f\u7528\u201cfrom scipy import \u5b50\u5305\u540d\u201d\u3002\u7136\u800c\uff0cNumPy\u3001SciPy \u5e93\u3001Matplotlib\u3001IPython\u3001Sympy \u548c Pandas \u662f SciPy \u5fc5\u4e0d\u53ef\u5c11\u7684\u5305\u3002.<\/span><\/p>\n<h5 id=\"%d8%a7%d9%85%da%a9%d8%a7%d9%86%d8%a7%d8%aa-4\">\u7279\u5f81\uff1a<\/h5>\n<ol>\n<li>SciPy \u7684\u5173\u952e\u7279\u6027\u662f\u5b83\u4f7f\u7528 NumPy \u7f16\u5199\uff0c\u5e76\u4e14\u5176\u6570\u7ec4\u5e7f\u6cdb\u4f7f\u7528\u4e86 NumPy\u3002.<\/li>\n<li>SciPy \u4f7f\u7528\u5176\u4e13\u95e8\u7684\u5b50\u6a21\u5757\u6765\u63d0\u4f9b\u6240\u6709\u9ad8\u6548\u7684\u6570\u503c\u7b97\u6cd5\uff0c\u4f8b\u5982\u4f18\u5316\u3001\u6570\u503c\u79ef\u5206\u7b49\u7b49\u3002.<\/li>\n<li>SciPy \u7684\u6240\u6709\u529f\u80fd\u5728\u6a21\u5757\u6587\u6863\u4e2d\u5747\u6709\u8be6\u5c3d\u8bf4\u660e\u3002SciPy \u7684\u4e3b\u8981\u6570\u636e\u7ed3\u6784\u662f NumPy \u6570\u7ec4\uff0c\u5e76\u5305\u542b\u7528\u4e8e\u5404\u79cd\u5e38\u7528\u79d1\u5b66\u7f16\u7a0b\u5e94\u7528\u7684\u6a21\u5757\u3002SciPy \u53ef\u4ee5\u8f7b\u677e\u5904\u7406\u7ebf\u6027\u4ee3\u6570\u3001\u79ef\u5206\uff08\u5fae\u79ef\u5206\uff09\u3001\u6c42\u89e3\u5e38\u5fae\u5206\u65b9\u7a0b\u548c\u4fe1\u53f7\u5904\u7406\u7b49\u4efb\u52a1\u3002.<\/li>\n<\/ol>\n<h3 id=\"8-pytorch\">8. PyTorch<\/h3>\n<p><img  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/10\/Pytorch_logo.png\"  class=\"aligncenter pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/10\/Pytorch_logo.png\" ><br \/>\nPyTorch \u662f Facebook \u4e8e 2017 \u5e74\u9996\u6b21\u63a8\u51fa\u7684\u4e00\u4e2a Python \u5e93\uff0c\u5b83\u7ed3\u5408\u4e86\u4e24\u79cd\u9ad8\u7ea7\u529f\u80fd\uff1a\u663e\u8457\u52a0\u901f\u7684 GPU \u5f20\u91cf\u8ba1\u7b97\uff08\u7c7b\u4f3c\u4e8e NumPy\uff09\u548c\u63d0\u4f9b\u7075\u6d3b\u6027\u548c\u901f\u5ea6\u7684\u57fa\u4e8e\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\u7684\u5e73\u53f0\u3002.<\/p>\n<h5 id=\"%d8%a7%d9%85%da%a9%d8%a7%d9%86%d8%a7%d8%aa-5\">\u7279\u5f81\uff1a<\/h5>\n<ol>\n<li>PyTorch \u652f\u6301 Python \u53ca\u5176\u5e93\u3002.<\/li>\n<li>Facebook \u5bf9\u6df1\u5ea6\u5b66\u4e60\u7684\u9700\u6c42\u4f7f\u5f97\u4f7f\u7528\u8fd9\u9879\u6280\u672f\u6210\u4e3a\u5fc5\u8981\u3002.<\/li>\n<li>\u5b83\u63d0\u4f9b\u4e86\u4e00\u4e2a\u6613\u4e8e\u4f7f\u7528\u7684 API\uff0c\u63d0\u9ad8\u4e86\u53ef\u7528\u6027\u548c\u7406\u89e3\u6027\u3002.<\/li>\n<li>\u5728 PyTorch \u4e2d\uff0c\u53ef\u4ee5\u5728\u4ee3\u7801\u6267\u884c\u7684\u4efb\u4f55\u9636\u6bb5\u52a8\u6001\u5730\u8bbe\u7f6e\u548c\u8ba1\u7b97\u56fe\u8868\u3002.<\/li>\n<li>\u5728 PyTorch \u4e2d\uff0c\u7f16\u7801\u7b80\u5355\uff0c\u5904\u7406\u901f\u5ea6\u5feb\u3002.<\/li>\n<li>\u7531\u4e8e\u652f\u6301 CUDA\uff08CUDA \u662f\u4e00\u4e2a\u5e76\u884c\u8ba1\u7b97\u5e73\u53f0\u548c\u5e94\u7528\u7a0b\u5e8f\u7f16\u7a0b\u63a5\u53e3\uff0c\u5141\u8bb8\u8f6f\u4ef6\u4f7f\u7528\u7279\u5b9a\u7c7b\u578b\u7684\u56fe\u5f62\u5904\u7406\u5355\u5143\u8fdb\u884c\u901a\u7528\u5904\u7406\u2014\u2014\u8fd9\u79cd\u65b9\u6cd5\u79f0\u4e3a GPU \u4e0a\u7684\u901a\u7528\u8ba1\u7b97\uff09\uff0c\u56e0\u6b64\u53ef\u4ee5\u5728 GPU \u673a\u5668\u4e0a\u8fd0\u884c\u3002.<\/li>\n<\/ol>\n<h3 id=\"9-lightgbm\">9. LightGBM<\/h3>\n<p><img  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/11\/LightGBM-550x275.png\"  class=\"aligncenter pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/11\/LightGBM-550x275.png\" ><br \/>\n\u68af\u5ea6\u63d0\u5347\uff08Gradient Boosting\uff09\u662f\u4e00\u79cd\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u65b9\u6cd5\uff0c\u5b83\u901a\u8fc7\u91cd\u65b0\u5b9a\u4e49\u51b3\u7b56\u6811\u7b49\u7b80\u5355\u6a21\u578b\u6765\u5e2e\u52a9\u5f00\u53d1\u8005\u5f00\u53d1\u65b0\u7684\u7b97\u6cd5\u3002\u56e0\u6b64\uff0c\u6709\u8bb8\u591a\u4e13\u95e8\u7684\u5e93\u53ef\u4ee5\u7528\u6765\u5feb\u901f\u9ad8\u6548\u5730\u5b9e\u73b0\u68af\u5ea6\u63d0\u5347\u65b9\u6cd5\u3002LightGBM\u3001XGBoost \u548c CatBoost \u5c31\u662f\u5176\u4e2d\u7684\u51e0\u4e2a\u4f8b\u5b50\u3002\u8fd9\u4e9b\u5e93\u5f7c\u6b64\u7ade\u4e89\uff0c\u90fd\u80fd\u89e3\u51b3\u76f8\u540c\u7684\u95ee\u9898\uff0c\u5e76\u4e14\u4f7f\u7528\u65b9\u6cd5\u4e5f\u51e0\u4e4e\u76f8\u540c\u3002.<\/p>\n<h5 id=\"%d8%a7%d9%85%da%a9%d8%a7%d9%86%d8%a7%d8%aa-6\">\u7279\u5f81\uff1a<\/h5>\n<ol>\n<li>\u6781\u5feb\u7684\u8ba1\u7b97\u901f\u5ea6\u4fdd\u8bc1\u4e86\u9ad8\u751f\u4ea7\u6548\u7387\u3002.<\/li>\n<li>\u5b83\u6613\u4e8e\u4f7f\u7528\uff0c\u56e0\u4e3a\u5b83\u5f88\u76f4\u89c2\u3002.<\/li>\n<li>\u8bb8\u591a\u6df1\u5ea6\u5b66\u4e60\u5e93\u7684\u8bad\u7ec3\u65f6\u95f4\u90fd\u6bd4\u8fd9\u4e2a\u5e93\u957f\u3002.<\/li>\n<li>\u4f7f\u7528 NaN \u503c\u548c\u5176\u4ed6\u89c4\u8303\u503c\u65f6\u4e0d\u4f1a\u51fa\u9519\u3002.<\/li>\n<\/ol>\n<h2 id=\"10-theano\">10. \u897f\u963f\u8bfa<\/h2>\n<p><img  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/11\/Theano-768x177.png\"  class=\"aligncenter pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/11\/Theano-768x177.png\" ><br \/>\n\u4e0e\u5176\u4ed6\u6570\u5b66\u5e93\u4e00\u6837\uff0cTheano \u5141\u8bb8\u7528\u6237\u5b9a\u4e49\u3001\u4f18\u5316\u548c\u8ba1\u7b97\u6570\u5b66\u8868\u8fbe\u5f0f\u3002\u5b83\u4f7f\u7528\u5927\u578b\u591a\u7ef4\u6570\u7ec4\u6765\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u5b66\u8fd0\u7b97\u3002\u6807\u51c6\u7684\u57fa\u4e8e C \u7684\u4ee3\u7801\u5728\u5904\u7406\u5927\u91cf\u6570\u636e\u65f6\u901f\u5ea6\u4f1a\u53d8\u6162\u3002\u800c Theano \u5219\u51ed\u501f\u5176\u4e30\u5bcc\u7684\u5e93\uff0c\u80fd\u591f\u5b9e\u73b0\u5feb\u901f\u7684\u4ee3\u7801\u6267\u884c\u3002\u5b83\u8fd8\u53ef\u4ee5\u68c0\u6d4b\u548c\u8ba1\u7b97\u65e0\u6548\u8868\u8fbe\u5f0f\uff0c\u8fd9\u4f7f\u5f97\u8be5\u5e93\u6bd4 NumPy \u66f4\u5177\u4f18\u52bf\u3002.<\/p>\n<h5 id=\"%d8%a7%d9%85%da%a9%d8%a7%d9%86%d8%a7%d8%aa-7\">\u7279\u5f81\uff1a<\/h5>\n<ol>\n<li>PyName \u96c6\u6210\uff1aTheano \u53ef\u4ee5\u5728\u7b26\u5408 Theano \u89c4\u8303\u7684\u51fd\u6570\u4e2d\u5b8c\u5168\u4f7f\u7528 NumPy \u6570\u7ec4\u3002.<\/li>\n<li>\u4f7f\u7528\u900f\u660e GPU\uff1a\u5b83\u53ef\u4ee5\u6bd4 CPU \u66f4\u5feb\u5730\u6267\u884c\u6570\u636e\u5bc6\u96c6\u578b\u64cd\u4f5c\u3002.<\/li>\n<li>\u9ad8\u6548\u7684\u7b26\u53f7\u5fae\u5206\uff1aTheano \u4f7f\u7528\u9ad8\u6548\u7684\u7b26\u53f7\u5fae\u5206\u5bf9\u5177\u6709\u4e00\u4e2a\u6216\u591a\u4e2a\u8f93\u5165\u7684\u51fd\u6570\u6267\u884c\u5bfc\u6570\u8fd0\u7b97\u3002.<\/li>\n<li>Theano \u9488\u5bf9\u901f\u5ea6\u548c\u7a33\u5b9a\u6027\u8fdb\u884c\u4e86\u4f18\u5316\uff1a\u5373\u4f7f x \u975e\u5e38\u5c0f\uff0c\u5b83\u4e5f\u80fd\u5f88\u597d\u5730\u89e3\u51b3\u8bf8\u5982 log(1+x) \u8fd9\u7c7b\u95ee\u9898\u3002\u8fd9\u53ea\u662f Theano \u7a33\u5b9a\u6027\u4f17\u591a\u8bc1\u660e\u4e4b\u4e00\u3002.<\/li>\n<li>\u751f\u6210\u52a8\u6001\u7684 C \u4ee3\u7801\uff1aTheano \u53ef\u4ee5\u5feb\u901f\u8bc4\u4f30\u8868\u8fbe\u5f0f\uff0c\u4ece\u800c\u663e\u8457\u63d0\u9ad8\u6548\u7387\u3002.<\/li>\n<li>\u5e7f\u6cdb\u7684\u5355\u5143\u6d4b\u8bd5\u548c\u81ea\u52a8\u5316\u9a8c\u8bc1\uff1aTheano \u53ef\u4ee5\u901a\u8fc7\u5e7f\u6cdb\u7684\u5355\u5143\u6d4b\u8bd5\u548c\u81ea\u52a8\u5316\u9a8c\u8bc1\u6765\u5e2e\u52a9\u8bc6\u522b\u548c\u8bca\u65ad\u6a21\u578b\u4e2d\u7684\u591a\u79cd\u95ee\u9898\u548c\u6b67\u4e49\u3002.<\/li>\n<\/ol>\n<h2 id=\"%d9%86%d8%aa%db%8c%d8%ac%d9%87\">\u7ed3\u679c<\/h2>\n<p>\u6613\u4e8e\u4f7f\u7528\u7684Python\u7f16\u7a0b\u8bed\u8a00\u5df2\u5728\u5404\u79cd\u5b9e\u9645\u5e94\u7528\u4e2d\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002\u7531\u4e8e\u5b83\u662f\u4e00\u79cd\u9ad8\u7ea7\u3001\u52a8\u6001\u7c7b\u578b\u4e14\u89e3\u91ca\u6267\u884c\u7684\u8bed\u8a00\uff0c\u56e0\u6b64\u5728\u9519\u8bef\u8c03\u8bd5\u9886\u57df\u53d1\u5c55\u8fc5\u901f\u3002Python\u8d8a\u6765\u8d8a\u591a\u5730\u88ab\u5e94\u7528\u4e8eYouTube\u3001Dropbox\u7b49\u5168\u7403\u6027\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002\u6b64\u5916\uff0c\u501f\u52a9\u4e30\u5bcc\u7684Python\u5e93\uff0c\u7528\u6237\u65e0\u9700\u7f16\u5199\u81ea\u5df1\u7684\u4ee3\u7801\u5373\u53ef\u5b8c\u6210\u5404\u79cd\u4efb\u52a1\u3002\u56e0\u6b64\uff0c\u5b66\u4e60Python\u53ca\u5176\u5e93\u5bf9\u4e8e\u5f53\u4eca\u7684\u6bcf\u4e00\u4f4d\u5e74\u8f7b\u4eba\u624d\u90fd\u81f3\u5173\u91cd\u8981\u3002Python\u5728\u6570\u636e\u79d1\u5b66\u3001\u673a\u5668\u5b66\u4e60\u3001\u8f6f\u4ef6\u5de5\u7a0b\u7b49\u5404\u4e2a\u9886\u57df\u7684\u5e94\u7528\uff0c\u65e0\u7591\u4f7f\u5176\u6210\u4e3a\u9762\u5411\u672a\u6765\u7684\u7f16\u7a0b\u8bed\u8a00\u3002.<\/p>","protected":false},"excerpt":{"rendered":"\u5f15\u8a00 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