{"id":1956,"date":"2025-08-06T19:32:05","date_gmt":"2025-08-06T11:32:05","guid":{"rendered":"https:\/\/www.hgfwq.com\/blog\/?p=1956"},"modified":"2025-08-06T19:32:05","modified_gmt":"2025-08-06T11:32:05","slug":"%e5%a6%82%e4%bd%95%e5%ae%89%e8%a3%85%e5%92%8c%e4%bd%bf%e7%94%a8python%e4%b8%ad%e7%9a%84ln%e5%87%bd%e6%95%b0%e8%bf%9b%e8%a1%8c%e5%af%b9%e6%95%b0%e8%ae%a1%e7%ae%97","status":"publish","type":"post","link":"https:\/\/www.hgfwq.com\/blog\/1956.html","title":{"rendered":"\u5982\u4f55\u5b89\u88c5\u548c\u4f7f\u7528Python\u4e2d\u7684ln\u51fd\u6570\u8fdb\u884c\u5bf9\u6570\u8ba1\u7b97"},"content":{"rendered":"

\u4ec0\u4e48\u662f Python \u7684 ln \u51fd\u6570\uff1f<\/h3>\n<\/p>\n

\"\u5982\u4f55\u5b89\u88c5\u548c\u4f7f\u7528Python\u4e2d\u7684ln\u51fd\u6570\u8fdb\u884c\u5bf9\u6570\u8ba1\u7b97\"<\/p>\n

Python \u7684 ln \u51fd\u6570\u662f math \u6a21\u5757\u4e2d\u7684\u4e00\u4e2a\u51fd\u6570\uff0c\u7528\u4e8e\u8ba1\u7b97\u81ea\u7136\u5bf9\u6570\u3002\u81ea\u7136\u5bf9\u6570\u662f\u4ee5\u6570\u5b66\u5e38\u6570 e\uff08\u7ea6\u7b49\u4e8e 2.71828\uff09\u4e3a\u5e95\u7684\u5bf9\u6570\u3002\u5728 Python \u4e2d\uff0cln \u51fd\u6570\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7 math \u6a21\u5757\u5bfc\u5165\u4f7f\u7528\u3002<\/p>\n<\/p>\n

ln \u51fd\u6570\u5305\u542b\u54ea\u4e9b\u5185\u5bb9\uff1f<\/h3>\n<\/p>\n

ln \u51fd\u6570\u53ea\u5305\u542b\u4e00\u4e2a\u53c2\u6570\uff0c\u5373\u8981\u6c42\u5bf9\u6570\u7684\u6570\u503c\u3002\u8be5\u6570\u503c\u53ef\u4ee5\u662f\u6b63\u6570\u3001\u8d1f\u6570\u6216\u96f6\u3002\u5982\u679c\u4f20\u5165\u7684\u6570\u503c\u4e3a\u6b63\u6570\uff0cln \u51fd\u6570\u5c06\u8fd4\u56de\u8be5\u6570\u503c\u7684\u81ea\u7136\u5bf9\u6570\uff1b\u5982\u679c\u4e3a\u8d1f\u6570\u6216\u96f6\uff0c\u5219\u51fd\u6570\u5c06\u5f15\u53d1 ValueError \u5f02\u5e38\u3002<\/p>\n<\/p>\n

\u5982\u4f55\u4f7f\u7528 ln \u51fd\u6570\uff1f<\/h3>\n<\/p>\n

\u8981\u4f7f\u7528 ln \u51fd\u6570\uff0c\u9996\u5148\u9700\u8981\u5bfc\u5165 math \u6a21\u5757\uff0c\u7136\u540e\u8c03\u7528 ln \u51fd\u6570\u5e76\u4f20\u5165\u76f8\u5e94\u7684\u6570\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528 ln \u51fd\u6570\u7684\u7b80\u5355\u793a\u4f8b\uff1a<\/p>\n<\/p>\n

import math<\/p>\r\n\r\n
 \u8ba1\u7b97\u81ea\u7136\u5bf9\u6570<\/p>\r\n
result = math.log(2.71828)<\/p>\r\n
print(result)   \u8f93\u51fa: 1.0<\/p>\r\n
<\/code><\/pre>\n<\/p>\n
\u63a8\u8350\u4f7f\u7528 ln \u51fd\u6570\u7684\u573a\u666f\u6709\u54ea\u4e9b\uff1f<\/h3>\n<\/p>\n
ln \u51fd\u6570\u5728\u6570\u5b66\u3001\u79d1\u5b66\u548c\u5de5\u7a0b\u9886\u57df\u975e\u5e38\u5e38\u89c1\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u63a8\u8350\u4f7f\u7528 ln \u51fd\u6570\u7684\u573a\u666f\uff1a<\/p>\n<\/p>\n
    \n
  • \u5728\u6570\u5b66\u5206\u6790\u4e2d\u8ba1\u7b97\u51fd\u6570\u7684\u5bfc\u6570\u3002<\/li>\n
  • \u5728\u7269\u7406\u548c\u5de5\u7a0b\u95ee\u9898\u4e2d\u5904\u7406\u6307\u6570\u589e\u957f\u6216\u8870\u51cf\u3002<\/li>\n
  • \u5728\u6570\u636e\u5206\u6790\u4e2d\u5904\u7406\u4ee5 e \u4e3a\u5e95\u7684\u5bf9\u6570\u8f6c\u6362\u3002<\/li>\n<\/ul>\n
    \u4e3a\u4ec0\u4e48\u9009\u62e9\u4f7f\u7528 ln \u51fd\u6570\uff1f<\/h3>\n<\/p>\n
    \u9009\u62e9\u4f7f\u7528 ln \u51fd\u6570\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u4e2a\u539f\u56e0\uff1a<\/p>\n<\/p>\n
      \n
    • ln \u51fd\u6570\u662f\u6570\u5b66\u4e2d\u57fa\u672c\u4e14\u91cd\u8981\u7684\u51fd\u6570\u4e4b\u4e00\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u4e2a\u9886\u57df\u3002<\/li>\n
    • Python \u7684 math \u6a21\u5757\u63d0\u4f9b\u4e86 ln \u51fd\u6570\uff0c\u6613\u4e8e\u4f7f\u7528\u4e14\u6027\u80fd\u826f\u597d\u3002<\/li>\n
    • ln \u51fd\u6570\u7684\u8ba1\u7b97\u7ed3\u679c\u5728\u6570\u503c\u4e0a\u975e\u5e38\u7cbe\u786e\uff0c\u6709\u52a9\u4e8e\u4fdd\u8bc1\u7ed3\u679c\u7684\u51c6\u786e\u6027\u3002<\/li>\n<\/ul>\n
      \u95ee\u7b54\u73af\u8282<\/h3>\n<\/p>\n
      \u95ee\uff1aln \u51fd\u6570\u7684\u53c2\u6570\u53ef\u4ee5\u662f\u6d6e\u70b9\u6570\u5417\uff1f<\/b><\/p>\n<\/p>\n
      \u5f53\u7136\u53ef\u4ee5\u3002ln \u51fd\u6570\u7684\u53c2\u6570\u53ef\u4ee5\u662f\u4efb\u4f55\u6570\u503c\uff0c\u5305\u62ec\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u8d1f\u6570\u548c\u96f6\u3002<\/p>\n<\/p>\n
      \u95ee\uff1aln \u51fd\u6570\u548c log \u51fd\u6570\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/b><\/p>\n<\/p>\n
      ln \u51fd\u6570\u548c log \u51fd\u6570\u90fd\u662f\u7528\u4e8e\u8ba1\u7b97\u5bf9\u6570\u7684\u51fd\u6570\uff0c\u4f46\u5b83\u4eec\u6709\u4e0d\u540c\u7684\u5e95\u6570\u3002ln \u51fd\u6570\u8ba1\u7b97\u81ea\u7136\u5bf9\u6570\uff08\u4ee5 e \u4e3a\u5e95\uff09\uff0c\u800c log \u51fd\u6570\u8ba1\u7b97\u4ee5 10 \u4e3a\u5e95\u7684\u5bf9\u6570\u3002\u5982\u679c\u9700\u8981\u8ba1\u7b97\u4ee5\u5176\u4ed6\u5e95\u6570\u4e3a\u5e95\u7684\u5bf9\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528\u6362\u5e95\u516c\u5f0f\uff1alog_base(a) = ln(a) \/ ln(base)\u3002<\/p>\n<\/p>\n
      \u95ee\uff1a\u5728\u54ea\u4e9b\u60c5\u51b5\u4e0b\u4e0d\u63a8\u8350\u4f7f\u7528 ln \u51fd\u6570\uff1f<\/b><\/p>\n<\/p>\n
      \u5982\u679c\u8ba1\u7b97\u5bf9\u6570\u7684\u6570\u503c\u662f\u8d1f\u6570\u6216\u96f6\uff0c\u5219\u4e0d\u63a8\u8350\u4f7f\u7528 ln \u51fd\u6570\uff0c\u56e0\u4e3a\u8fd9\u5c06\u5f15\u53d1 ValueError \u5f02\u5e38\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u5176\u4ed6\u51fd\u6570\u6216\u65b9\u6cd5\u6765\u5904\u7406\u8fd9\u79cd\u60c5\u51b5\u3002\u6b64\u5916\uff0c\u5982\u679c\u5bf9\u6570\u503c\u975e\u5e38\u5927\u6216\u975e\u5e38\u5c0f\uff0c\u8ba1\u7b97\u7ed3\u679c\u53ef\u80fd\u4e0d\u51c6\u786e\uff0c\u6b64\u65f6\u4e5f\u4e0d\u63a8\u8350\u4f7f\u7528 ln \u51fd\u6570\u3002<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"
      \u4ec0\u4e48\u662f Python \u7684 ln \u51fd\u6570\uff1f Python \u7684 ln \u51fd\u6570\u662f math \u6a21\u5757\u4e2d\u7684\u4e00\u4e2a\u51fd\u6570\uff0c\u7528\u4e8e\u8ba1\u7b97\u81ea\u7136\u5bf9\u6570\u3002\u81ea\u7136\u5bf9\u6570\u662f\u4ee5\u6570\u5b66\u5e38\u6570 e\uff08\u7ea6\u7b49\u4e8e 2.71828\uff09\u4e3a\u5e95\u7684\u5bf9\u6570\u3002\u5728 Python \u4e2d\uff0cln \u51fd\u6570\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7 math \u6a21\u5757…<\/p>\n","protected":false},"author":1,"featured_media":1957,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[671,70,672],"topic":[],"class_list":["post-1956","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-haiwai","tag-ln","tag-70","tag-672"],"_links":{"self":[{"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/posts\/1956","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/comments?post=1956"}],"version-history":[{"count":1,"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/posts\/1956\/revisions"}],"predecessor-version":[{"id":1959,"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/posts\/1956\/revisions\/1959"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/media\/1957"}],"wp:attachment":[{"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/media?parent=1956"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/categories?post=1956"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/tags?post=1956"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/topic?post=1956"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}