{"id":1059953,"date":"2024-12-31T15:29:46","date_gmt":"2024-12-31T07:29:46","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1059953.html"},"modified":"2024-12-31T15:29:49","modified_gmt":"2024-12-31T07:29:49","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e5%86%99%e7%bb%9d%e5%af%b9%e5%80%bc","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1059953.html","title":{"rendered":"python\u4e2d\u5982\u4f55\u5199\u7edd\u5bf9\u503c"},"content":{"rendered":"

\"python\u4e2d\u5982\u4f55\u5199\u7edd\u5bf9\u503c\"<\/p>\n

\u5728Python\u4e2d\uff0c\u5199\u7edd\u5bf9\u503c\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u3001\u5e93\u51fd\u6570\u4ee5\u53ca\u81ea\u5b9a\u4e49\u51fd\u6570\u3002\u5e38\u7528\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u51fd\u6570abs()\u3001\u901a\u8fc7\u6570\u5b66\u5e93math\u6a21\u5757\u4e2d\u7684fabs()\u51fd\u6570\u3001\u81ea\u5b9a\u4e49\u7edd\u5bf9\u503c\u51fd\u6570\u3002<\/strong>\u5176\u4e2d\uff0c\u6700\u5e38\u89c1\u4e14\u65b9\u4fbf\u7684\u65b9\u6cd5\u662f\u4f7f\u7528Python\u5185\u7f6e\u7684abs()\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u76f4\u63a5\u8fd4\u56de\u4e00\u4e2a\u6570\u5b57\u7684\u7edd\u5bf9\u503c\u3002\u63a5\u4e0b\u6765\uff0c\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u53ca\u5176\u4f7f\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570abs()<\/strong><\/p>\n<\/p>\n

Python\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5185\u7f6e\u7684abs()\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u76f4\u63a5\u8ba1\u7b97\u4e00\u4e2a\u6570\u5b57\u7684\u7edd\u5bf9\u503c\u3002\u8fd9\u4e2a\u65b9\u6cd5\u662f\u6700\u7b80\u5355\u3001\u6700\u76f4\u63a5\u7684\u65b9\u5f0f\uff0c\u9002\u7528\u4e8e\u5927\u591a\u6570\u573a\u666f\u3002<\/p>\n<\/p>\n

# \u793a\u4f8b\u4ee3\u7801<\/p>\n
number = -10<\/p>\n
absolute_value = abs(number)<\/p>\n
print(absolute_value)  # \u8f93\u51fa: 10<\/p>\n
<\/code><\/pre>\n<\/p>\n
abs()\u51fd\u6570\u53ef\u4ee5\u5904\u7406\u6574\u6570\u3001\u6d6e\u70b9\u6570\u4ee5\u53ca\u590d\u6570\u3002\u5bf9\u4e8e\u590d\u6570\uff0cabs()\u8fd4\u56de\u7684\u662f\u590d\u6570\u7684\u6a21\u3002<\/p>\n<\/p>\n
# \u5904\u7406\u590d\u6570<\/p>\n
complex_number = -3 + 4j<\/p>\n
absolute_value = abs(complex_number)<\/p>\n
print(absolute_value)  # \u8f93\u51fa: 5.0<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528math\u5e93\u4e2d\u7684fabs()\u51fd\u6570<\/strong><\/p>\n<\/p>\n
math\u6a21\u5757\u63d0\u4f9b\u4e86\u8bb8\u591a\u6570\u5b66\u51fd\u6570\uff0c\u5176\u4e2d\u5305\u62ecfabs()\u51fd\u6570\u3002fabs()\u51fd\u6570\u7528\u4e8e\u8ba1\u7b97\u6d6e\u70b9\u6570\u7684\u7edd\u5bf9\u503c\uff0c\u8fd4\u56de\u503c\u4e5f\u662f\u4e00\u4e2a\u6d6e\u70b9\u6570\u3002\u4e0eabs()\u4e0d\u540c\u7684\u662f\uff0cfabs()\u53ea\u80fd\u5904\u7406\u6d6e\u70b9\u6570\u548c\u6574\u6570\uff0c\u4e0d\u80fd\u5904\u7406\u590d\u6570\u3002<\/p>\n<\/p>\n
import math<\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/strong><\/h2>\n
number = -10.5<\/p>\n
absolute_value = math.fabs(number)<\/p>\n
print(absolute_value)  # \u8f93\u51fa: 10.5<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u81ea\u5b9a\u4e49\u7edd\u5bf9\u503c\u51fd\u6570<\/strong><\/p>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f60\u53ef\u80fd\u5e0c\u671b\u5b9a\u4e49\u81ea\u5df1\u7684\u7edd\u5bf9\u503c\u51fd\u6570\uff0c\u4ee5\u4fbf\u5728\u7279\u5b9a\u7684\u573a\u666f\u4e2d\u4f7f\u7528\u3002\u81ea\u5b9a\u4e49\u51fd\u6570\u53ef\u4ee5\u6839\u636e\u9700\u8981\u6dfb\u52a0\u989d\u5916\u7684\u903b\u8f91\u6216\u5904\u7406\u7279\u5b9a\u7684\u6570\u636e\u7c7b\u578b\u3002<\/p>\n<\/p>\n
# \u81ea\u5b9a\u4e49\u7edd\u5bf9\u503c\u51fd\u6570<\/p>\n
def custom_abs(number):<\/p>\n
    if number < 0:<\/p>\n
        return -number<\/p>\n
    else:<\/p>\n
        return number<\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/strong><\/h2>\n
number = -15<\/p>\n
absolute_value = custom_abs(number)<\/p>\n
print(absolute_value)  # \u8f93\u51fa: 15<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u81ea\u5b9a\u4e49\u51fd\u6570\uff0c\u4f60\u53ef\u4ee5\u7075\u6d3b\u5730\u5904\u7406\u5404\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u5e76\u6839\u636e\u9700\u8981\u6dfb\u52a0\u989d\u5916\u7684\u903b\u8f91\u3002<\/p>\n<\/p>\n
\u56db\u3001\u5728NumPy\u4e2d\u8ba1\u7b97\u7edd\u5bf9\u503c<\/strong><\/p>\n<\/p>\n
\u5982\u679c\u4f60\u5728\u5904\u7406\u5927\u91cf\u6570\u636e\u65f6\u4f7f\u7528NumPy\u5e93\uff0cNumPy\u4e5f\u63d0\u4f9b\u4e86\u8ba1\u7b97\u7edd\u5bf9\u503c\u7684\u51fd\u6570np.abs()\u3002\u8fd9\u4e2a\u51fd\u6570\u53ef\u4ee5\u5904\u7406NumPy\u6570\u7ec4\uff0c\u5e76\u4e14\u9002\u7528\u4e8e\u5411\u91cf\u5316\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
import numpy as np<\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/strong><\/h2>\n
array = np.array([-1, -2, -3, 4, 5])<\/p>\n
absolute_values = np.abs(array)<\/p>\n
print(absolute_values)  # \u8f93\u51fa: [1 2 3 4 5]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f7f\u7528NumPy\u7684np.abs()\u51fd\u6570\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u7684\u6548\u7387\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u5e94\u7528\u573a\u666f<\/strong><\/p>\n<\/p>\n
    \n
  1. \n
    \u6570\u636e\u6e05\u7406\u548c\u9884\u5904\u7406<\/strong>\uff1a\u5728\u6570\u636e\u79d1\u5b66\u548c\u673a\u5668\u5b66\u4e60<\/a>\u4e2d\uff0c\u901a\u5e38\u9700\u8981\u5bf9\u6570\u636e\u8fdb\u884c\u6e05\u7406\u548c\u9884\u5904\u7406\u3002\u7edd\u5bf9\u503c\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u5904\u7406\u5f02\u5e38\u503c\u3001\u6807\u51c6\u5316\u6570\u636e\u7b49\u4efb\u52a1\u3002<\/p>\n<\/p>\n<\/li>\n
  2. \n
    \u91d1\u878d\u5206\u6790<\/strong>\uff1a\u5728\u91d1\u878d\u5206\u6790\u4e2d\uff0c\u7edd\u5bf9\u503c\u5e38\u7528\u4e8e\u8ba1\u7b97\u6ce2\u52a8\u7387\u3001\u98ce\u9669\u8bc4\u4f30\u7b49\u6307\u6807\u3002<\/p>\n<\/p>\n<\/li>\n
  3. \n
    \u4fe1\u53f7\u5904\u7406<\/strong>\uff1a\u5728\u4fe1\u53f7\u5904\u7406\u548c\u56fe\u50cf\u5904\u7406\u9886\u57df\uff0c\u7edd\u5bf9\u503c\u51fd\u6570\u7528\u4e8e\u8ba1\u7b97\u5e45\u5ea6\u3001\u6ee4\u6ce2\u7b49\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<\/li>\n
  4. \n
    \u7269\u7406\u4eff\u771f<\/strong>\uff1a\u5728\u7269\u7406\u4eff\u771f\u548c\u5de5\u7a0b\u8ba1\u7b97\u4e2d\uff0c\u7edd\u5bf9\u503c\u51fd\u6570\u7528\u4e8e\u8ba1\u7b97\u8ddd\u79bb\u3001\u8bef\u5dee\u7b49\u91cd\u8981\u53c2\u6570\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
    \u603b\u7ed3<\/strong><\/p>\n<\/p>\n
    \u5728Python\u4e2d\uff0c\u8ba1\u7b97\u7edd\u5bf9\u503c\u7684\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u6700\u5e38\u89c1\u7684\u662f\u4f7f\u7528\u5185\u7f6e\u51fd\u6570abs()\uff0c\u9002\u7528\u4e8e\u6574\u6570\u3001\u6d6e\u70b9\u6570\u548c\u590d\u6570\u3002math\u5e93\u63d0\u4f9b\u7684fabs()\u51fd\u6570\u7528\u4e8e\u5904\u7406\u6d6e\u70b9\u6570\uff0cNumPy\u5e93\u4e2d\u7684np.abs()\u51fd\u6570\u9002\u7528\u4e8e\u5927\u89c4\u6a21\u6570\u636e\u5904\u7406\u3002\u5982\u679c\u9700\u8981\uff0c\u53ef\u4ee5\u81ea\u5b9a\u4e49\u7edd\u5bf9\u503c\u51fd\u6570\u4ee5\u6ee1\u8db3\u7279\u5b9a\u9700\u6c42\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u6548\u7387\u548c\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
     \u5982\u4f55\u5728Python\u4e2d\u8ba1\u7b97\u7edd\u5bf9\u503c\uff1f<\/strong>
    \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684abs()<\/code>\u51fd\u6570\u6765\u8ba1\u7b97\u4e00\u4e2a\u6570\u7684\u7edd\u5bf9\u503c\u3002\u8fd9\u4e2a\u51fd\u6570\u63a5\u6536\u4e00\u4e2a\u53c2\u6570\uff0c\u8fd4\u56de\u8be5\u6570\u7684\u7edd\u5bf9\u503c\u3002\u4f8b\u5982\uff0cabs(-5)<\/code>\u5c06\u8fd4\u56de5<\/code>\uff0c\u800cabs(3)<\/code>\u5219\u8fd4\u56de3<\/code>\u3002<\/p>\n
    Python\u4e2d\u7edd\u5bf9\u503c\u7684\u5e94\u7528\u573a\u666f\u6709\u54ea\u4e9b\uff1f<\/strong>
    \u7edd\u5bf9\u503c\u5728\u6570\u5b66\u548c\u7f16\u7a0b\u4e2d\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u4f8b\u5982\uff0c\u5728\u6570\u636e\u5206\u6790\u4e2d\uff0c\u7edd\u5bf9\u503c\u53ef\u4ee5\u7528\u4e8e\u8ba1\u7b97\u8bef\u5dee\u7684\u5927\u5c0f\u3002\u5728\u91d1\u878d\u8ba1\u7b97\u4e2d\uff0c\u8bc4\u4f30\u6295\u8d44\u7684\u6ce2\u52a8\u6027\u65f6\uff0c\u7edd\u5bf9\u503c\u4e5f\u5e38\u88ab\u7528\u5230\u3002\u6b64\u5916\uff0c\u7edd\u5bf9\u503c\u5728\u56fe\u5f62\u5904\u7406\u4e2d\u4e5f\u5f88\u91cd\u8981\uff0c\u5982\u8ba1\u7b97\u4e24\u4e2a\u70b9\u4e4b\u95f4\u7684\u8ddd\u79bb\u65f6\u3002<\/p>\n
    Python\u662f\u5426\u652f\u6301\u5bf9\u6570\u7ec4\u6216\u5217\u8868\u8ba1\u7b97\u7edd\u5bf9\u503c\uff1f<\/strong>
    \u662f\u7684\uff0cPython\u901a\u8fc7NumPy\u5e93\u652f\u6301\u5bf9\u6570\u7ec4\u6216\u5217\u8868\u8ba1\u7b97\u7edd\u5bf9\u503c\u3002\u4f7f\u7528numpy.abs()<\/code>\u51fd\u6570\u53ef\u4ee5\u8f7b\u677e\u5904\u7406\u6574\u4e2a\u6570\u7ec4\u3002\u4f8b\u5982\uff0cnumpy.abs([-1, -2, 3])<\/code>\u5c06\u8fd4\u56dearray([1, 2, 3])<\/code>\u3002\u8fd9\u79cd\u65b9\u6cd5\u5728\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u65f6\u975e\u5e38\u9ad8\u6548\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u5199\u7edd\u5bf9\u503c\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u3001\u5e93\u51fd\u6570\u4ee5\u53ca\u81ea\u5b9a\u4e49\u51fd\u6570\u3002\u5e38\u7528\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u51fd\u6570ab […]","protected":false},"author":3,"featured_media":1059963,"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\/1059953"}],"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=1059953"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1059953\/revisions"}],"predecessor-version":[{"id":1059966,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1059953\/revisions\/1059966"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1059963"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1059953"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1059953"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1059953"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}