{"id":1132175,"date":"2025-01-08T20:54:51","date_gmt":"2025-01-08T12:54:51","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1132175.html"},"modified":"2025-01-08T20:54:53","modified_gmt":"2025-01-08T12:54:53","slug":"python%e5%a6%82%e4%bd%95%e8%a1%a8%e7%a4%ba10%e7%9a%84%e8%b4%9f10%e6%ac%a1%e6%96%b9","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1132175.html","title":{"rendered":"python\u5982\u4f55\u8868\u793a10\u7684\u8d1f10\u6b21\u65b9"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25101806\/14e602c4-ee34-4c2b-9856-2344ffd1617a.webp\" alt=\"python\u5982\u4f55\u8868\u793a10\u7684\u8d1f10\u6b21\u65b9\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u6765\u8868\u793a10\u7684\u8d1f10\u6b21\u65b9\uff0c\u4f8b\u5982\u4f7f\u7528\u6307\u6570\u8fd0\u7b97\u7b26\u3001\u79d1\u5b66\u8ba1\u6570\u6cd5\u6216\u6570\u5b66\u51fd\u6570\u7b49\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5305\u62ec\uff1a<code>10&lt;\/strong&gt;-10<\/code>\u3001<code>1e-10<\/code>\u3001<code>pow(10, -10)<\/code>\u3002\u5176\u4e2d\uff0c\u4f7f\u7528\u6307\u6570\u8fd0\u7b97\u7b26\u662f\u6700\u5e38\u89c1\u4e14\u76f4\u63a5\u7684\u65b9\u5f0f\u3002<\/p>\n<\/p>\n<p><p>\u4e0b\u9762\u5c06\u8be6\u7ec6\u5c55\u5f00\u8fd9\u51e0\u79cd\u65b9\u6cd5\uff0c\u5e76\u4ecb\u7ecd\u5b83\u4eec\u7684\u4f7f\u7528\u573a\u666f\u548c\u4f18\u7f3a\u70b9\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4f7f\u7528\u6307\u6570\u8fd0\u7b97\u7b26<\/h3>\n<\/p>\n<p><p>\u6307\u6570\u8fd0\u7b97\u7b26\uff08<code><\/code>\uff09\u662fPython\u4e2d\u7528\u4e8e\u6267\u884c\u6307\u6570\u8fd0\u7b97\u7684\u7b26\u53f7\u3002\u5b83\u975e\u5e38\u76f4\u89c2\u4e14\u6613\u4e8e\u4f7f\u7528\u3002<\/p>\n<\/p>\n<p><h4>\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">result = 10-10<\/p>\n<p>print(result)  # \u8f93\u51fa\uff1a1e-10<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>\u89e3\u91ca\uff1a<\/h4>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u76f4\u63a5\u4f7f\u7528Python\u5185\u7f6e\u7684\u6307\u6570\u8fd0\u7b97\u7b26<code><\/code>\uff0c\u8868\u793a10\u7684\u8d1f10\u6b21\u65b9\u3002\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u52bf\u5728\u4e8e\u5176\u7b80\u6d01\u6027\u548c\u53ef\u8bfb\u6027\uff0c\u9002\u5408\u5927\u591a\u6570\u9700\u8981\u5feb\u901f\u8ba1\u7b97\u6307\u6570\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u4f7f\u7528\u79d1\u5b66\u8ba1\u6570\u6cd5<\/h3>\n<\/p>\n<p><p>\u79d1\u5b66\u8ba1\u6570\u6cd5\u662f\u8868\u793a\u975e\u5e38\u5927\u6216\u975e\u5e38\u5c0f\u7684\u6570\u5b57\u7684\u4e00\u79cd\u7b80\u6d01\u65b9\u5f0f\u3002\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>e<\/code>\u6216<code>E<\/code>\u8868\u793a\u79d1\u5b66\u8ba1\u6570\u6cd5\u3002<\/p>\n<\/p>\n<p><h4>\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">result = 1e-10<\/p>\n<p>print(result)  # \u8f93\u51fa\uff1a1e-10<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>\u89e3\u91ca\uff1a<\/h4>\n<\/p>\n<p><p><code>1e-10<\/code>\u8868\u793a1\u4e58\u4ee510\u7684\u8d1f10\u6b21\u65b9\u3002\u79d1\u5b66\u8ba1\u6570\u6cd5\u5728\u5904\u7406\u975e\u5e38\u5927\u6216\u975e\u5e38\u5c0f\u7684\u6570\u503c\u65f6\u975e\u5e38\u6709\u7528\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u907f\u514d\u5728\u4ee3\u7801\u4e2d\u51fa\u73b0\u8fc7\u957f\u7684\u6570\u5b57\uff0c\u589e\u5f3a\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528\u6570\u5b66\u51fd\u6570<\/h3>\n<\/p>\n<p><p>Python\u7684<code>math<\/code>\u5e93\u63d0\u4f9b\u4e86\u8bb8\u591a\u6570\u5b66\u51fd\u6570\uff0c\u5305\u62ec\u6307\u6570\u8fd0\u7b97\u51fd\u6570\u3002\u53ef\u4ee5\u4f7f\u7528<code>math.pow()<\/code>\u6765\u8868\u793a10\u7684\u8d1f10\u6b21\u65b9\u3002<\/p>\n<\/p>\n<p><h4>\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">import math<\/p>\n<p>result = math.pow(10, -10)<\/p>\n<p>print(result)  # \u8f93\u51fa\uff1a1e-10<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>\u89e3\u91ca\uff1a<\/h4>\n<\/p>\n<p><p><code>math.pow(10, -10)<\/code>\u4f7f\u7528<code>math<\/code>\u5e93\u4e2d\u7684<code>pow<\/code>\u51fd\u6570\u6765\u8ba1\u7b9710\u7684\u8d1f10\u6b21\u65b9\u3002\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u52bf\u5728\u4e8e<code>math<\/code>\u5e93\u662fPython\u6807\u51c6\u5e93\u7684\u4e00\u90e8\u5206\uff0c\u56e0\u6b64\u5b83\u5728\u5927\u591a\u6570Python\u73af\u5883\u4e2d\u90fd\u662f\u53ef\u7528\u7684\u3002\u6b64\u5916\uff0c<code>math<\/code>\u5e93\u8fd8\u63d0\u4f9b\u4e86\u8bb8\u591a\u5176\u4ed6\u6570\u5b66\u51fd\u6570\uff0c\u9002\u5408\u590d\u6742\u7684\u6570\u5b66\u8ba1\u7b97\u9700\u6c42\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u6bd4\u8f83\u548c\u9009\u62e9<\/h3>\n<\/p>\n<p><h4>1. \u6027\u80fd\u6bd4\u8f83<\/h4>\n<\/p>\n<p><p>\u5bf9\u4e8e\u7b80\u5355\u7684\u6307\u6570\u8fd0\u7b97\uff0c\u4f7f\u7528\u6307\u6570\u8fd0\u7b97\u7b26\uff08<code><\/code>\uff09\u901a\u5e38\u6027\u80fd\u6700\u4f73\uff0c\u56e0\u4e3a\u5b83\u662fPython\u8bed\u8a00\u7684\u5185\u7f6e\u64cd\u4f5c\uff0c\u6267\u884c\u901f\u5ea6\u8f83\u5feb\u3002\u79d1\u5b66\u8ba1\u6570\u6cd5\uff08<code>1e-10<\/code>\uff09\u5728\u6027\u80fd\u4e0a\u4e5f\u76f8\u5f53\u9ad8\u6548\uff0c\u56e0\u4e3a\u5b83\u76f4\u63a5\u8868\u793a\u4e00\u4e2a\u6d6e\u70b9\u6570\u3002\u7136\u800c\uff0c\u4f7f\u7528<code>math.pow()<\/code>\u53ef\u80fd\u7a0d\u6162\u4e00\u4e9b\uff0c\u56e0\u4e3a\u5b83\u662f\u4e00\u4e2a\u51fd\u6570\u8c03\u7528\uff0c\u9700\u8981\u989d\u5916\u7684\u5f00\u9500\u3002<\/p>\n<\/p>\n<p><h4>2. \u53ef\u8bfb\u6027<\/h4>\n<\/p>\n<p><p>\u5728\u53ef\u8bfb\u6027\u65b9\u9762\uff0c\u79d1\u5b66\u8ba1\u6570\u6cd5\uff08<code>1e-10<\/code>\uff09\u548c\u6307\u6570\u8fd0\u7b97\u7b26\uff08<code>10-10<\/code>\uff09\u90fd\u975e\u5e38\u7b80\u6d01\u660e\u4e86\u3002<code>math.pow(10, -10)<\/code>\u867d\u7136\u7a0d\u663e\u5197\u957f\uff0c\u4f46\u5728\u67d0\u4e9b\u9700\u8981\u4f7f\u7528\u5176\u4ed6<code>math<\/code>\u5e93\u51fd\u6570\u7684\u590d\u6742\u8ba1\u7b97\u4e2d\uff0c\u4fdd\u6301\u4e00\u81f4\u6027\u4e5f\u6709\u5176\u4f18\u52bf\u3002<\/p>\n<\/p>\n<p><h4>3. \u4f7f\u7528\u573a\u666f<\/h4>\n<\/p>\n<ul>\n<li><strong>\u6307\u6570\u8fd0\u7b97\u7b26\uff08<code>&lt;\/strong&gt;<\/code>\uff09\uff1a\u9002\u5408\u5927\u591a\u6570\u9700\u8981\u5feb\u901f\u8ba1\u7b97\u6307\u6570\u7684\u573a\u666f\u3002<\/li>\n<li><strong>\u79d1\u5b66\u8ba1\u6570\u6cd5\uff08<code>1e-10<\/code>\uff09<\/strong>\uff1a\u9002\u5408\u8868\u793a\u975e\u5e38\u5927\u6216\u975e\u5e38\u5c0f\u7684\u6570\u503c\uff0c\u589e\u5f3a\u4ee3\u7801\u53ef\u8bfb\u6027\u3002<\/li>\n<li><strong>\u6570\u5b66\u51fd\u6570\uff08<code>math.pow()<\/code>\uff09<\/strong>\uff1a\u9002\u5408\u590d\u6742\u7684\u6570\u5b66\u8ba1\u7b97\uff0c\u5c24\u5176\u662f\u9700\u8981\u4f7f\u7528\u5176\u4ed6<code>math<\/code>\u5e93\u51fd\u6570\u7684\u573a\u666f\u3002<\/li>\n<\/ul>\n<p><h3>\u4e94\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u5728Python\u4e2d\u8868\u793a10\u7684\u8d1f10\u6b21\u65b9\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528\u6307\u6570\u8fd0\u7b97\u7b26\uff08<code><\/code>\uff09\u3001\u79d1\u5b66\u8ba1\u6570\u6cd5\uff08<code>1e-10<\/code>\uff09\u548c\u6570\u5b66\u51fd\u6570\uff08<code>math.pow()<\/code>\uff09\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u72ec\u7279\u7684\u4f18\u52bf\u548c\u9002\u7528\u573a\u666f\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u4f7f\u7528\u6307\u6570\u8fd0\u7b97\u7b26\u662f\u6700\u5e38\u89c1\u4e14\u9ad8\u6548\u7684\u65b9\u5f0f\uff0c\u800c\u79d1\u5b66\u8ba1\u6570\u6cd5\u5219\u5728\u8868\u793a\u975e\u5e38\u5927\u6216\u975e\u5e38\u5c0f\u7684\u6570\u503c\u65f6\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u53ef\u8bfb\u6027\u3002\u5bf9\u4e8e\u590d\u6742\u7684\u6570\u5b66\u8ba1\u7b97\uff0c<code>math.pow()<\/code>\u63d0\u4f9b\u4e86\u4e00\u79cd\u7075\u6d3b\u7684\u9009\u62e9\u3002<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u7406\u89e3\u8fd9\u4e9b\u65b9\u6cd5\u7684\u4f18\u7f3a\u70b9\u548c\u9002\u7528\u573a\u666f\uff0c\u60a8\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u7f16\u7a0b\u9700\u6c42\u4e2d\u9009\u62e9\u6700\u5408\u9002\u7684\u65b9\u5f0f\u8868\u793a10\u7684\u8d1f10\u6b21\u65b9\u3002\u8fd9\u4e0d\u4ec5\u6709\u52a9\u4e8e\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6027\u80fd\uff0c\u8fd8\u80fd\u589e\u5f3a\u60a8\u5bf9Python\u8bed\u8a00\u7684\u638c\u63e1\u548c\u5e94\u7528\u80fd\u529b\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u8868\u793a\u79d1\u5b66\u8ba1\u6570\u6cd5\u7684\u6570\u5b57\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u79d1\u5b66\u8ba1\u6570\u6cd5\u8868\u793a\u6570\u5b57\uff0c\u4f8b\u598210\u7684\u8d1f10\u6b21\u65b9\u53ef\u4ee5\u5199\u4f5c<code>1e-10<\/code>\u3002\u8fd9\u4e2a\u8868\u793a\u6cd5\u4e2d\u7684<code>e<\/code>\u4ee3\u8868\u201c\u4e58\u4ee510\u7684\u5e42\u201d\uff0c\u56e0\u6b64<code>1e-10<\/code>\u7b49\u4e8e1\u4e58\u4ee510\u7684\u8d1f10\u6b21\u65b9\uff0c\u7ed3\u679c\u662f0.0000000001\u3002<\/p>\n<p><strong>\u4f7f\u7528\u54ea\u79cd\u6570\u636e\u7c7b\u578b\u6765\u8868\u793a\u5c0f\u6570\u548c\u6d6e\u70b9\u6570\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u8868\u793a\u5c0f\u6570\u548c\u6d6e\u70b9\u6570\u65f6\uff0c\u4f7f\u7528<code>float<\/code>\u6570\u636e\u7c7b\u578b\u300210\u7684\u8d1f10\u6b21\u65b9<code>1e-10<\/code>\u88ab\u81ea\u52a8\u8bc6\u522b\u4e3a\u6d6e\u70b9\u6570\uff0c\u9002\u5408\u8fdb\u884c\u5404\u79cd\u6570\u5b66\u8fd0\u7b97\u548c\u79d1\u5b66\u8ba1\u7b97\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u4e2d\u8fdb\u884c\u6d6e\u70b9\u6570\u8fd0\u7b97\uff1f<\/strong><br \/>\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u6d6e\u70b9\u6570\u8fdb\u884c\u52a0\u3001\u51cf\u3001\u4e58\u3001\u9664\u7b49\u8fd0\u7b97\u3002\u4f8b\u5982\uff0c\u5982\u679c\u8981\u8ba1\u7b9710\u7684\u8d1f10\u6b21\u65b9\u4e0e1\u7684\u548c\uff0c\u53ef\u4ee5\u5199\u6210<code>result = 1 + 1e-10<\/code>\u3002Python\u4f1a\u81ea\u52a8\u5904\u7406\u8fd9\u4e9b\u6d6e\u70b9\u6570\u8fd0\u7b97\uff0c\u5e76\u7ed9\u51fa\u7cbe\u786e\u7684\u7ed3\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u6765\u8868\u793a10\u7684\u8d1f10\u6b21\u65b9\uff0c\u4f8b\u5982\u4f7f\u7528\u6307\u6570\u8fd0\u7b97\u7b26\u3001\u79d1\u5b66\u8ba1\u6570\u6cd5\u6216\u6570\u5b66\u51fd\u6570\u7b49\u3002\u8fd9\u4e9b\u65b9\u6cd5 [&hellip;]","protected":false},"author":3,"featured_media":1132180,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1132175"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1132175"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1132175\/revisions"}],"predecessor-version":[{"id":1132181,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1132175\/revisions\/1132181"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1132180"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1132175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1132175"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1132175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}