{"id":6177,"date":"2024-06-26T16:53:36","date_gmt":"2024-06-26T08:53:36","guid":{"rendered":"https:\/\/t.n-years.com\/?p=6177"},"modified":"2024-06-26T16:53:37","modified_gmt":"2024-06-26T08:53:37","slug":"%e5%be%ae%e7%a7%af%e5%88%86%e3%80%81%e7%ba%bf%e6%80%a7%e4%bb%a3%e6%95%b0%e3%80%81%e6%a6%82%e7%8e%87%e4%b8%8e%e7%bb%9f%e8%ae%a1%e5%9c%a8%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0%e3%80%81%e6%b7%b1%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/t.n-years.com\/?p=6177","title":{"rendered":"\u5fae\u79ef\u5206\u3001\u7ebf\u6027\u4ee3\u6570\u3001\u6982\u7387\u4e0e\u7edf\u8ba1\u5728\u673a\u5668\u5b66\u4e60\u3001\u6df1\u5ea6\u5b66\u4e60\u3001\u81ea\u7136\u8bed\u8a00\u5904\u7406\u9886\u57df\u7684\u5e94\u7528\u4ecb\u7ecd"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u975e\u539f\u521b\uff0cChatGPT \u95ee\u7b54\u751f\u6210<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5fae\u79ef\u5206\u3001\u7ebf\u6027\u4ee3\u6570\u3001\u6982\u7387\u4e0e\u7edf\u8ba1\u662f\u673a\u5668\u5b66\u4e60\u3001\u6df1\u5ea6\u5b66\u4e60\u548c\u81ea\u7136\u8bed\u8a00\u5904\u7406\uff08NLP\uff09\u7b49\u9886\u57df\u7684\u57fa\u7840\u6570\u5b66\u5de5\u5177\u3002\u4ee5\u4e0b\u662f\u8fd9\u4e9b\u6570\u5b66\u5206\u652f\u5728\u4e0a\u8ff0\u9886\u57df\u7684\u5177\u4f53\u5e94\u7528\u4ecb\u7ecd\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u5fae\u79ef\u5206<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u5bfc\u6570\u4e0e\u68af\u5ea6<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f18\u5316\u95ee\u9898<\/strong>\uff1a\u5728\u673a\u5668\u5b66\u4e60\u4e2d\uff0c\u6a21\u578b\u8bad\u7ec3\u901a\u5e38\u6d89\u53ca\u4f18\u5316\u95ee\u9898\uff0c\u4f8b\u5982\u6700\u5c0f\u5316\u635f\u5931\u51fd\u6570\u3002\u68af\u5ea6\u4e0b\u964d\u6cd5\u662f\u6700\u5e38\u7528\u7684\u4f18\u5316\u7b97\u6cd5\u4e4b\u4e00\uff0c\u5b83\u4f7f\u7528\u635f\u5931\u51fd\u6570\u7684\u5bfc\u6570\u6765\u66f4\u65b0\u6a21\u578b\u53c2\u6570\u3002<\/li>\n\n\n\n<li><strong>\u53cd\u5411\u4f20\u64ad<\/strong>\uff1a\u5728\u6df1\u5ea6\u5b66\u4e60\u4e2d\uff0c\u53cd\u5411\u4f20\u64ad\u7b97\u6cd5\u5229\u7528\u94fe\u5f0f\u6cd5\u5219\u8ba1\u7b97\u635f\u5931\u51fd\u6570\u76f8\u5bf9\u4e8e\u6a21\u578b\u53c2\u6570\u7684\u68af\u5ea6\uff0c\u4ece\u800c\u66f4\u65b0\u53c2\u6570\u4ee5\u6700\u5c0f\u5316\u635f\u5931\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u79ef\u5206<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6982\u7387\u5bc6\u5ea6\u51fd\u6570<\/strong>\uff1a\u5728\u6982\u7387\u8bba\u4e2d\uff0c\u79ef\u5206\u7528\u4e8e\u8ba1\u7b97\u6982\u7387\u5bc6\u5ea6\u51fd\u6570\u7684\u9762\u79ef\uff0c\u8fd9\u5728\u8d1d\u53f6\u65af\u63a8\u7406\u548c\u6982\u7387\u6a21\u578b\u4e2d\u5c24\u4e3a\u91cd\u8981\u3002<\/li>\n\n\n\n<li><strong>\u8fde\u7eed\u5206\u5e03<\/strong>\uff1a\u79ef\u5206\u7528\u4e8e\u8ba1\u7b97\u8fde\u7eed\u968f\u673a\u53d8\u91cf\u7684\u671f\u671b\u503c\u548c\u65b9\u5dee\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u7ebf\u6027\u4ee3\u6570<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u77e9\u9635\u4e0e\u5411\u91cf<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6570\u636e\u8868\u793a<\/strong>\uff1a\u6570\u636e\u96c6\u901a\u5e38\u8868\u793a\u4e3a\u77e9\u9635\uff0c\u6bcf\u884c\u4ee3\u8868\u4e00\u4e2a\u6837\u672c\uff0c\u6bcf\u5217\u4ee3\u8868\u4e00\u4e2a\u7279\u5f81\u3002<\/li>\n\n\n\n<li><strong>\u53d8\u6362\u4e0e\u5d4c\u5165<\/strong>\uff1a\u5728 NLP \u4e2d\uff0c\u8bcd\u5411\u91cf\uff08\u5982 Word2Vec\u3001GloVe\uff09\u548c\u5d4c\u5165\uff08\u5982 BERT\uff09\u8868\u793a\u8bcd\u8bed\u548c\u53e5\u5b50\u7684\u9ad8\u7ef4\u5411\u91cf\uff0c\u8fd9\u4e9b\u5411\u91cf\u901a\u8fc7\u77e9\u9635\u53d8\u6362\u8fdb\u884c\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u77e9\u9635\u8fd0\u7b97<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7ebf\u6027\u53d8\u6362<\/strong>\uff1a\u7ebf\u6027\u4ee3\u6570\u4e2d\u7684\u77e9\u9635\u4e58\u6cd5\u7528\u4e8e\u5b9e\u73b0\u7ebf\u6027\u53d8\u6362\uff0c\u8fd9\u662f\u795e\u7ecf\u7f51\u7edc\u5c42\u7684\u57fa\u7840\u8fd0\u7b97\u3002<\/li>\n\n\n\n<li><strong>\u7279\u5f81\u503c\u4e0e\u7279\u5f81\u5411\u91cf<\/strong>\uff1a\u5728\u4e3b\u6210\u5206\u5206\u6790\uff08PCA\uff09\u7b49\u964d\u7ef4\u6280\u672f\u4e2d\uff0c\u7279\u5f81\u503c\u548c\u7279\u5f81\u5411\u91cf\u7528\u4e8e\u8bc6\u522b\u6570\u636e\u7684\u4e3b\u65b9\u5411\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u5947\u5f02\u503c\u5206\u89e3\uff08SVD\uff09<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u964d\u7ef4<\/strong>\uff1aSVD \u7528\u4e8e\u77e9\u9635\u7684\u964d\u7ef4\uff0c\u8fd9\u5728\u63a8\u8350\u7cfb\u7edf\u548c NLP \u4e2d\u7684\u6f5c\u5728\u8bed\u4e49\u5206\u6790\uff08LSA\uff09\u4e2d\u6709\u91cd\u8981\u5e94\u7528\u3002<\/li>\n\n\n\n<li><strong>\u538b\u7f29\u4e0e\u91cd\u6784<\/strong>\uff1aSVD \u8fd8\u7528\u4e8e\u6570\u636e\u538b\u7f29\u548c\u4fe1\u53f7\u5904\u7406\u4e2d\u7684\u91cd\u6784\u95ee\u9898\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u6982\u7387\u4e0e\u7edf\u8ba1<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u6982\u7387\u5206\u5e03<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5efa\u6a21\u4e0d\u786e\u5b9a\u6027<\/strong>\uff1a\u6982\u7387\u5206\u5e03\u7528\u4e8e\u63cf\u8ff0\u6570\u636e\u7684\u4e0d\u786e\u5b9a\u6027\u3002\u4f8b\u5982\uff0c\u9ad8\u65af\u5206\u5e03\u5e38\u7528\u4e8e\u5efa\u6a21\u8fde\u7eed\u6570\u636e\uff0c\u4e8c\u9879\u5206\u5e03\u7528\u4e8e\u5efa\u6a21\u79bb\u6563\u6570\u636e\u3002<\/li>\n\n\n\n<li><strong>\u751f\u6210\u6a21\u578b<\/strong>\uff1a\u5982\u6734\u7d20\u8d1d\u53f6\u65af\u3001\u9690\u9a6c\u5c14\u53ef\u592b\u6a21\u578b\uff08HMM\uff09\u3001\u751f\u6210\u5bf9\u6297\u7f51\u7edc\uff08GAN\uff09\u7b49\uff0c\u90fd\u57fa\u4e8e\u6982\u7387\u5206\u5e03\u8fdb\u884c\u5efa\u6a21\u548c\u63a8\u65ad\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u7edf\u8ba1\u63a8\u65ad<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f30\u8ba1\u4e0e\u68c0\u9a8c<\/strong>\uff1a\u7edf\u8ba1\u63a8\u65ad\u7528\u4e8e\u4f30\u8ba1\u6570\u636e\u7684\u53c2\u6570\uff08\u5982\u5747\u503c\u3001\u65b9\u5dee\uff09\u548c\u68c0\u9a8c\u5047\u8bbe\uff08\u5982 t \u68c0\u9a8c\u3001\u5361\u65b9\u68c0\u9a8c\uff09\uff0c\u8fd9\u5bf9\u4e8e\u6a21\u578b\u9009\u62e9\u548c\u8bc4\u4f30\u975e\u5e38\u91cd\u8981\u3002<\/li>\n\n\n\n<li><strong>\u8d1d\u53f6\u65af\u63a8\u65ad<\/strong>\uff1a\u8d1d\u53f6\u65af\u63a8\u65ad\u901a\u8fc7\u5148\u9a8c\u548c\u4f3c\u7136\u8ba1\u7b97\u540e\u9a8c\u5206\u5e03\uff0c\u7528\u4e8e\u8d1d\u53f6\u65af\u7f51\u7edc\u3001\u8d1d\u53f6\u65af\u4f18\u5316\u7b49\u6a21\u578b\u4e2d\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u968f\u673a\u8fc7\u7a0b<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u65f6\u95f4\u5e8f\u5217\u5206\u6790<\/strong>\uff1a\u5982\u81ea\u56de\u5f52\uff08AR\uff09\u3001\u79fb\u52a8\u5e73\u5747\uff08MA\uff09\u3001\u81ea\u56de\u5f52\u79ef\u5206\u79fb\u52a8\u5e73\u5747\uff08ARIMA\uff09\u7b49\u6a21\u578b\u7528\u4e8e\u65f6\u95f4\u5e8f\u5217\u9884\u6d4b\u3002<\/li>\n\n\n\n<li><strong>\u9a6c\u5c14\u53ef\u592b\u8fc7\u7a0b<\/strong>\uff1a\u7528\u4e8e\u5efa\u6a21\u5e8f\u5217\u6570\u636e\u7684\u8f6c\u79fb\u6982\u7387\uff0c\u4f8b\u5982\u6587\u672c\u751f\u6210\u548c\u5e8f\u5217\u9884\u6d4b\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e94\u7528\u793a\u4f8b<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u4f18\u5316\u95ee\u9898\u4e0e\u68af\u5ea6\u4e0b\u964d<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\n# \u5b9a\u4e49\u4e00\u4e2a\u7b80\u5355\u7684\u4e8c\u6b21\u635f\u5931\u51fd\u6570\ndef loss_function(w):\n    return (w - 3)**2\n\n# \u635f\u5931\u51fd\u6570\u7684\u5bfc\u6570\ndef gradient(w):\n    return 2 * (w - 3)\n\n# \u68af\u5ea6\u4e0b\u964d\u6cd5\ndef gradient_descent(initial_w, learning_rate, iterations):\n    w = initial_w\n    for i in range(iterations):\n        grad = gradient(w)\n        w = w - learning_rate * grad\n        print(f\"Iteration {i+1}: w = {w}, loss = {loss_function(w)}\")\n    return w\n\n# \u521d\u59cb\u5316\u53c2\u6570\ninitial_w = 0\nlearning_rate = 0.1\niterations = 10\n\n# \u6267\u884c\u68af\u5ea6\u4e0b\u964d\noptimal_w = gradient_descent(initial_w, learning_rate, iterations)\nprint(f\"Optimal w: {optimal_w}\")<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u77e9\u9635\u8fd0\u7b97\u4e0e\u7ebf\u6027\u53d8\u6362<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\n# \u5b9a\u4e49\u4e00\u4e2a\u77e9\u9635\u548c\u4e00\u4e2a\u5411\u91cf\nA = np.array(&#91;&#91;1, 2], &#91;3, 4]])\nx = np.array(&#91;1, 1])\n\n# \u8fdb\u884c\u77e9\u9635\u4e58\u6cd5\ny = np.dot(A, x)\nprint(\"Matrix A:\\n\", A)\nprint(\"Vector x:\\n\", x)\nprint(\"Result of Ax:\\n\", y)<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u6982\u7387\u5206\u5e03\u4e0e\u8d1d\u53f6\u65af\u63a8\u65ad<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>from scipy.stats import norm\n\n# \u5b9a\u4e49\u9ad8\u65af\u5206\u5e03\u7684\u53c2\u6570\nmu = 0\nsigma = 1\n\n# \u751f\u6210\u9ad8\u65af\u5206\u5e03\u6837\u672c\nsamples = norm.rvs(mu, sigma, size=1000)\n\n# \u8ba1\u7b97\u6837\u672c\u7684\u5747\u503c\u548c\u6807\u51c6\u5dee\nsample_mean = np.mean(samples)\nsample_std = np.std(samples)\n\nprint(f\"Sample Mean: {sample_mean}, Sample Standard Deviation: {sample_std}\")<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u603b\u7ed3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5fae\u79ef\u5206<\/strong>\uff1a\u7528\u4e8e\u4f18\u5316\u548c\u53cd\u5411\u4f20\u64ad\uff0c\u5904\u7406\u8fde\u7eed\u53d8\u5316\u548c\u7d2f\u79ef\u91cf\u3002<\/li>\n\n\n\n<li><strong>\u7ebf\u6027\u4ee3\u6570<\/strong>\uff1a\u7528\u4e8e\u6570\u636e\u8868\u793a\u3001\u53d8\u6362\u548c\u964d\u7ef4\uff0c\u57fa\u7840\u77e9\u9635\u8fd0\u7b97\u3002<\/li>\n\n\n\n<li><strong>\u6982\u7387\u4e0e\u7edf\u8ba1<\/strong>\uff1a\u7528\u4e8e\u5efa\u6a21\u4e0d\u786e\u5b9a\u6027\u3001\u7edf\u8ba1\u63a8\u65ad\u548c\u751f\u6210\u6a21\u578b\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u6570\u5b66\u5de5\u5177\u5728\u673a\u5668\u5b66\u4e60\u3001\u6df1\u5ea6\u5b66\u4e60\u548c NLP \u4e2d\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u7406\u8bba\u652f\u6301\uff0c\u5e2e\u52a9\u5f00\u53d1\u548c\u4f18\u5316\u5404\u79cd\u6a21\u578b\u548c\u7b97\u6cd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u975e\u539f\u521b\uff0cChatGPT \u95ee\u7b54\u751f\u6210 \u5fae\u79ef\u5206\u3001\u7ebf\u6027\u4ee3\u6570\u3001\u6982\u7387\u4e0e\u7edf\u8ba1\u662f\u673a\u5668\u5b66\u4e60\u3001\u6df1\u5ea6\u5b66\u4e60\u548c\u81ea\u7136\u8bed\u8a00\u5904\u7406\uff08NLP\uff09\u7b49\u9886&#8230; <\/p>\n<div class=\"read-more navbutton\"><a href=\"https:\/\/t.n-years.com\/?p=6177\">\u9605\u8bfb\u66f4\u591a<i class=\"fa fa-angle-double-right\"><\/i><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[51,85,86,84,87,83],"class_list":["post-6177","post","type-post","status-publish","format-standard","hentry","category-5","tag-51","tag-85","tag-86","tag-84","tag-87","tag-83"],"_links":{"self":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6177","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6177"}],"version-history":[{"count":1,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6177\/revisions"}],"predecessor-version":[{"id":6178,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6177\/revisions\/6178"}],"wp:attachment":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6177"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6177"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}