{"id":960704,"date":"2024-12-27T03:52:02","date_gmt":"2024-12-26T19:52:02","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/960704.html"},"modified":"2024-12-27T03:52:05","modified_gmt":"2024-12-26T19:52:05","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e8%a1%a8%e7%a4%ba%e4%b9%98%e6%96%b9","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/960704.html","title":{"rendered":"python\u4e2d\u5982\u4f55\u8868\u793a\u4e58\u65b9"},"content":{"rendered":"

\"python\u4e2d\u5982\u4f55\u8868\u793a\u4e58\u65b9\"<\/p>\n

\u5728Python\u4e2d\uff0c\u8868\u793a\u4e58\u65b9\u7684\u4e3b\u8981\u65b9\u5f0f\u6709\uff1a\u4f7f\u7528\u53cc\u661f\u53f7\u8fd0\u7b97\u7b26<\/strong><\/code>\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570pow()<\/code>\u3001\u4ee5\u53ca\u4f7f\u7528NumPy\u5e93\u4e2d\u7684np.power()<\/code>\u3002\u5176\u4e2d\uff0c\u4f7f\u7528\u53cc\u661f\u53f7\u8fd0\u7b97\u7b26<strong><\/code>\u662f\u6700\u5e38\u7528\u4e14\u76f4\u89c2\u7684\u65b9\u6cd5\u3002<\/strong>\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e09\u79cd\u65b9\u6cd5\u7684\u4f7f\u7528\u53ca\u5176\u533a\u522b\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528\u53cc\u661f\u53f7\u8fd0\u7b97\u7b26 <\/code><\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u53cc\u661f\u53f7\u8fd0\u7b97\u7b26<strong><\/code>\u7528\u4e8e\u8ba1\u7b97\u4e00\u4e2a\u6570\u7684\u4e58\u65b9\u3002\u4f8b\u5982\uff0ca<\/strong>b<\/code>\u8868\u793aa<\/code>\u7684b<\/code>\u6b21\u5e42\u3002\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u76f4\u89c2\uff0c\u800c\u4e14\u7531\u4e8e\u662fPython\u5185\u7f6e\u7684\u8fd0\u7b97\u7b26\uff0c\u5176\u6267\u884c\u6548\u7387\u8f83\u9ad8\uff0c\u9002\u7528\u4e8e\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u7684\u4e58\u65b9\u8fd0\u7b97\u3002\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\u65f6\uff0c\u53ea\u9700\u76f4\u63a5\u5728\u4e24\u4e2a\u6570\u503c\u4e4b\u95f4\u63d2\u5165<\/code>\u5373\u53ef\u5b9e\u73b0\u4e58\u65b9\u64cd\u4f5c\u3002<\/p>\n<\/p>\n

# \u793a\u4f8b<\/p>\n
result = 2  3<\/p>\n
print(result)  # \u8f93\u51fa\uff1a8<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570 pow()<\/code><\/p>\n<\/p>\n
Python\u8fd8\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5185\u7f6e\u51fd\u6570pow()<\/code>\u7528\u4e8e\u8ba1\u7b97\u4e58\u65b9\u3002pow(a, b)<\/code>\u8fd4\u56dea<\/code>\u7684b<\/code>\u6b21\u5e42\u3002\u6b64\u5916\uff0cpow()<\/code>\u51fd\u6570\u8fd8\u652f\u6301\u4e09\u4e2a\u53c2\u6570\u7684\u5f62\u5f0fpow(a, b, c)<\/code>\uff0c\u6b64\u65f6\u8fd4\u56de\u7ed3\u679c\u4e3a(ab) % c<\/code>\uff0c\u8fd9\u5728\u9700\u8981\u5bf9\u7ed3\u679c\u8fdb\u884c\u6a21\u8fd0\u7b97\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n
# \u793a\u4f8b<\/p>\n
result = pow(2, 3)<\/p>\n
print(result)  # \u8f93\u51fa\uff1a8<\/p>\n
\u4f7f\u7528\u4e09\u4e2a\u53c2\u6570<\/strong><\/h2>\n
result_with_mod = pow(2, 3, 3)<\/p>\n
print(result_with_mod)  # \u8f93\u51fa\uff1a2<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528NumPy\u5e93\u4e2d\u7684 np.power()<\/code><\/p>\n<\/p>\n
\u5bf9\u4e8e\u9700\u8981\u8fdb\u884c\u5927\u89c4\u6a21\u6570\u503c\u8ba1\u7b97\u6216\u79d1\u5b66\u8ba1\u7b97\u7684\u573a\u666f\uff0cNumPy\u5e93\u63d0\u4f9b\u4e86np.power()<\/code>\u51fd\u6570\uff0c\u8fd9\u4e2a\u51fd\u6570\u4e0d\u4ec5\u53ef\u4ee5\u7528\u4e8e\u6807\u91cf\u7684\u4e58\u65b9\u8ba1\u7b97\uff0c\u8fd8\u652f\u6301\u6570\u7ec4\u7684\u5143\u7d20\u7ea7\u4e58\u65b9\u8fd0\u7b97\u3002NumPy\u5e93\u7684\u4f18\u52bf\u5728\u4e8e\u5bf9\u5927\u6570\u636e\u96c6\u7684\u5904\u7406\u901f\u5ea6\u5feb\uff0c\u5e76\u4e14\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u5b66\u51fd\u6570\u3002<\/p>\n<\/p>\n
# \u793a\u4f8b<\/p>\n
import numpy as np<\/p>\n
\u5bf9\u6807\u91cf\u8fdb\u884c\u4e58\u65b9\u8ba1\u7b97<\/strong><\/h2>\n
result_scalar = np.power(2, 3)<\/p>\n
print(result_scalar)  # \u8f93\u51fa\uff1a8<\/p>\n
\u5bf9\u6570\u7ec4\u8fdb\u884c\u4e58\u65b9\u8ba1\u7b97<\/strong><\/h2>\n
array = np.array([1, 2, 3, 4])<\/p>\n
result_array = np.power(array, 2)<\/p>\n
print(result_array)  # \u8f93\u51fa\uff1a[ 1  4  9 16]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u4e58\u65b9\u8fd0\u7b97\u7684\u6027\u80fd\u548c\u9002\u7528\u573a\u666f<\/p>\n<\/p>\n
    \n
  1. \n
    \u6548\u7387\u548c\u6027\u80fd<\/strong>\uff1a\u5bf9\u4e8e\u7b80\u5355\u7684\u4e58\u65b9\u8fd0\u7b97\uff0c\u4f7f\u7528\u53cc\u661f\u53f7<\/code>\u8fd0\u7b97\u7b26\u662f\u6700\u76f4\u63a5\u4e14\u6548\u7387\u8f83\u9ad8\u7684\u65b9\u5f0f\uff0c\u56e0\u4e3a\u5b83\u662fPython\u8bed\u8a00\u5c42\u9762\u7684\u64cd\u4f5c\u3002\u5bf9\u4e8e\u9700\u8981\u8fdb\u884c\u6a21\u8fd0\u7b97\u7684\u573a\u666f\uff0cpow()<\/code>\u51fd\u6570\u7684\u4e09\u4e2a\u53c2\u6570\u5f62\u5f0f\u63d0\u4f9b\u4e86\u66f4\u9ad8\u6548\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<\/p>\n<\/li>\n
  2. \n
    \u5927\u89c4\u6a21\u8ba1\u7b97<\/strong>\uff1a\u5728\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u6216\u9700\u8981\u8fdb\u884c\u590d\u6742\u6570\u5b66\u8fd0\u7b97\u65f6\uff0cNumPy\u5e93\u7684np.power()<\/code>\u51fd\u6570\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u7075\u6d3b\u6027\u548c\u6027\u80fd\uff0c\u5c24\u5176\u662f\u5f53\u64cd\u4f5c\u5bf9\u8c61\u662f\u6570\u7ec4\u65f6\u3002<\/p>\n<\/p>\n<\/li>\n
  3. \n
    \u4ee3\u7801\u53ef\u8bfb\u6027<\/strong>\uff1a\u9009\u62e9\u9002\u5f53\u7684\u4e58\u65b9\u8fd0\u7b97\u65b9\u5f0f\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u4f8b\u5982\uff0c\u5728\u9700\u8981\u8fdb\u884c\u7b80\u5355\u7684\u6b21\u5e42\u8fd0\u7b97\u65f6\uff0c\u4f7f\u7528<\/code>\u8fd0\u7b97\u7b26\u53ef\u4ee5\u8ba9\u4ee3\u7801\u66f4\u7b80\u6d01\u548c\u76f4\u89c2\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
    \u4e94\u3001\u4e58\u65b9\u8fd0\u7b97\u7684\u6ce8\u610f\u4e8b\u9879<\/p>\n<\/p>\n
    \u5728\u8fdb\u884c\u4e58\u65b9\u8fd0\u7b97\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u6570\u636e\u7c7b\u578b\u7684\u9009\u62e9\u548c\u8fd0\u7b97\u7ed3\u679c\u7684\u8303\u56f4\u3002\u4f8b\u5982\uff0c\u5f53\u57fa\u6570\u548c\u6307\u6570\u90fd\u4e3a\u6574\u6570\u65f6\uff0c\u7ed3\u679c\u53ef\u80fd\u4f1a\u975e\u5e38\u5927\uff0c\u5bfc\u81f4\u6ea2\u51fa\u95ee\u9898\u3002\u5728\u4f7f\u7528numpy<\/code>\u8fdb\u884c\u4e58\u65b9\u8fd0\u7b97\u65f6\uff0c\u4e5f\u8981\u6ce8\u610f\u6570\u7ec4\u7684\u5f62\u72b6\u548c\u6570\u636e\u7c7b\u578b\uff0c\u786e\u4fdd\u8fd0\u7b97\u7ed3\u679c\u7b26\u5408\u9884\u671f\u3002<\/p>\n<\/p>\n
    \u516d\u3001\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u7684\u5e94\u7528<\/p>\n<\/p>\n
    \u5728\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u4e58\u65b9\u8fd0\u7b97\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6548\u7387\u3002\u4f8b\u5982\uff0c\u5728\u673a\u5668\u5b66\u4e60<\/a>\u6216\u6570\u636e\u5206\u6790\u9879\u76ee\u4e2d\uff0c\u5e38\u5e38\u9700\u8981\u5bf9\u6570\u636e\u96c6\u4e2d\u7684\u5143\u7d20\u8fdb\u884c\u4e58\u65b9\u8ba1\u7b97\uff0c\u6b64\u65f6\u4f7f\u7528NumPy\u7684np.power()<\/code>\u51fd\u6570\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u5904\u7406\u901f\u5ea6\u3002\u800c\u5728\u4e00\u4e9b\u9700\u8981\u8fdb\u884c\u5bc6\u7801\u5b66\u8fd0\u7b97\u7684\u573a\u666f\u4e2d\uff0cpow()<\/code>\u51fd\u6570\u7684\u6a21\u8fd0\u7b97\u5f62\u5f0f\u5219\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u3002<\/p>\n<\/p>\n
    \u4e03\u3001\u603b\u7ed3<\/p>\n<\/p>\n
    Python\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u5f0f\u6765\u8fdb\u884c\u4e58\u65b9\u8fd0\u7b97\uff0c\u5305\u62ec\u4f7f\u7528\u53cc\u661f\u53f7\u8fd0\u7b97\u7b26<\/code>\u3001\u5185\u7f6e\u51fd\u6570pow()<\/code>\u548cNumPy\u5e93\u7684np.power()<\/code>\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u7279\u5b9a\u7684\u5e94\u7528\u573a\u666f\u548c\u4f18\u52bf\u3002\u5728\u9009\u62e9\u5177\u4f53\u65b9\u6cd5\u65f6\uff0c\u5e94\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u548c\u6570\u636e\u89c4\u6a21\u8fdb\u884c\u6743\u8861\uff0c\u4ee5\u5b9e\u73b0\u6700\u4f73\u7684\u6027\u80fd\u548c\u4ee3\u7801\u53ef\u8bfb\u6027\u3002\u638c\u63e1\u8fd9\u4e9b\u65b9\u6cd5\u4e0d\u4ec5\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u6709\u6548\u5730\u8fdb\u884c\u6570\u503c\u8ba1\u7b97\uff0c\u4e5f\u4e3a\u7f16\u5199\u9ad8\u6548\u3001\u7b80\u6d01\u7684Python\u4ee3\u7801\u5960\u5b9a\u4e86\u57fa\u7840\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
     \u5728Python\u4e2d\uff0c\u5982\u4f55\u4f7f\u7528\u8fd0\u7b97\u7b26\u8868\u793a\u4e58\u65b9\uff1f<\/strong>
    \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e24\u4e2a\u661f\u53f7\uff08\uff09\u6765\u8868\u793a\u4e58\u65b9\u8fd0\u7b97\u3002\u4f8b\u5982\uff0c\u8868\u8fbe\u5f0f2 <\/strong> 3<\/code>\u7684\u7ed3\u679c\u662f8\uff0c\u56e0\u4e3a2\u76843\u6b21\u65b9\u7b49\u4e8e8\u3002\u8fd9\u79cd\u8fd0\u7b97\u7b26\u975e\u5e38\u76f4\u89c2\uff0c\u9002\u5408\u8fdb\u884c\u6570\u5b66\u8ba1\u7b97\u3002<\/p>\n
    \u5728Python\u4e2d\u662f\u5426\u6709\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u8ba1\u7b97\u4e58\u65b9\uff1f<\/strong>
    \u9664\u4e86\u4f7f\u7528**<\/code>\u8fd0\u7b97\u7b26\uff0cPython\u8fd8\u63d0\u4f9b\u4e86\u5185\u7f6e\u51fd\u6570pow()<\/code>\u6765\u8ba1\u7b97\u4e58\u65b9\u3002\u4f7f\u7528\u65b9\u6cd5\u4e3apow(base, exponent)<\/code>\uff0c\u4f8b\u5982pow(2, 3)<\/code>\u540c\u6837\u8fd4\u56de8\u3002\u6b64\u5916\uff0cpow()<\/code>\u51fd\u6570\u8fd8\u53ef\u4ee5\u63a5\u53d7\u7b2c\u4e09\u4e2a\u53c2\u6570\u7528\u4e8e\u6a21\u8fd0\u7b97\uff0c\u5f62\u5982pow(base, exponent, mod)<\/code>\u3002<\/p>\n
    \u5982\u4f55\u5728Python\u4e2d\u5904\u7406\u8d1f\u6570\u548c\u5c0f\u6570\u7684\u4e58\u65b9\u8fd0\u7b97\uff1f<\/strong>
    Python\u80fd\u591f\u5904\u7406\u8d1f\u6570\u548c\u5c0f\u6570\u7684\u4e58\u65b9\u8fd0\u7b97\u3002\u5bf9\u4e8e\u8d1f\u6570\uff0c\u4f8b\u5982(-2) <strong> 3<\/code>\u5c06\u8fd4\u56de-8\uff0c\u800c(-2) <\/strong> 2<\/code>\u5219\u8fd4\u56de4\u3002\u5bf9\u4e8e\u5c0f\u6570\uff0c\u4f8b\u59822.5 ** 2<\/code>\u5c06\u8fd4\u56de6.25\u3002Python\u7684\u4e58\u65b9\u8fd0\u7b97\u53ef\u4ee5\u7075\u6d3b\u5e94\u5bf9\u5404\u79cd\u6570\u503c\u7c7b\u578b\uff0c\u7ed3\u679c\u4f1a\u6839\u636e\u8fd0\u7b97\u89c4\u5219\u81ea\u52a8\u8c03\u6574\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u8868\u793a\u4e58\u65b9\u7684\u4e3b\u8981\u65b9\u5f0f\u6709\uff1a\u4f7f\u7528\u53cc\u661f\u53f7\u8fd0\u7b97\u7b26<\/strong>\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570pow() […]","protected":false},"author":3,"featured_media":960711,"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\/960704"}],"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=960704"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/960704\/revisions"}],"predecessor-version":[{"id":960712,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/960704\/revisions\/960712"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/960711"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=960704"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=960704"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=960704"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}