{"id":1117981,"date":"2025-01-08T18:31:05","date_gmt":"2025-01-08T10:31:05","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1117981.html"},"modified":"2025-01-08T18:31:07","modified_gmt":"2025-01-08T10:31:07","slug":"python%e5%a6%82%e4%bd%95%e5%9c%a8%e6%95%b0%e5%ad%97%e5%90%8e%e9%9d%a2%e5%8a%a0%e4%b8%aaj","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1117981.html","title":{"rendered":"python\u5982\u4f55\u5728\u6570\u5b57\u540e\u9762\u52a0\u4e2aj"},"content":{"rendered":"

\"python\u5982\u4f55\u5728\u6570\u5b57\u540e\u9762\u52a0\u4e2aj\"<\/p>\n

\u5728 Python \u4e2d\uff0c\u53ef\u4ee5\u5728\u6570\u5b57\u540e\u9762\u76f4\u63a5\u52a0\u4e0a 'j' \u6765\u8868\u793a\u4e00\u4e2a\u590d\u6570\u7684\u865a\u90e8\u3002<\/strong> \u5177\u4f53\u6765\u8bf4\uff0cPython \u4f7f\u7528 'j' \u6765\u8868\u793a\u865a\u6570\u5355\u4f4d\uff0c\u800c\u4e0d\u662f 'i'\u3002\u4f8b\u5982\uff0c\u6570\u5b57 3 \u52a0\u4e0a 'j' \u8868\u793a 3j\uff0c\u8fd9\u610f\u5473\u7740 0 + 3j\uff0c\u5176\u4e2d 0 \u662f\u5b9e\u90e8\uff0c3 \u662f\u865a\u90e8\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u5730\u5728 Python \u4e2d\u8868\u793a\u548c\u5904\u7406\u590d\u6570\u3002<\/p>\n<\/p>\n

\u793a\u4f8b\uff1a<\/strong><\/p>\n<\/p>\n

a = 5 + 3j<\/p>\n
print(a)  # \u8f93\u51fa: (5+3j)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c5<\/code> \u662f\u5b9e\u90e8\uff0c3j<\/code> \u662f\u865a\u90e8\u7684\u8868\u793a\u3002\u8fd9\u79cd\u8868\u793a\u6cd5\u5728\u5904\u7406\u590d\u6570\u8fd0\u7b97\u65f6\u975e\u5e38\u65b9\u4fbf\u3002Python \u5185\u7f6e\u4e86\u5bf9\u590d\u6570\u7684\u652f\u6301\uff0c\u5141\u8bb8\u4f60\u8fdb\u884c\u5404\u79cd\u590d\u6570\u8fd0\u7b97\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u590d\u6570\u7684\u5b9a\u4e49\u548c\u57fa\u672c\u64cd\u4f5c<\/h3>\n<\/p>\n
\u5728 Python \u4e2d\uff0c\u590d\u6570\u7531\u5b9e\u90e8\u548c\u865a\u90e8\u7ec4\u6210\uff0c\u865a\u90e8\u7528 'j' \u8868\u793a\u3002\u590d\u6570\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u8d4b\u503c\u6216\u4f7f\u7528 complex()<\/code> \u51fd\u6570\u6765\u521b\u5efa\u3002<\/p>\n<\/p>\n
1\u3001\u76f4\u63a5\u8d4b\u503c<\/h4>\n<\/p>\n
\u76f4\u63a5\u5728\u6570\u5b57\u540e\u9762\u52a0\u4e0a 'j' \u53ef\u4ee5\u5b9a\u4e49\u590d\u6570\u3002<\/p>\n<\/p>\n
z = 4 + 5j<\/p>\n
print(z)  # \u8f93\u51fa: (4+5j)<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u4f7f\u7528 complex()<\/code> \u51fd\u6570<\/h4>\n<\/p>\n
\u4f7f\u7528 complex()<\/code> \u51fd\u6570\u53ef\u4ee5\u521b\u5efa\u590d\u6570\u3002<\/p>\n<\/p>\n
z = complex(4, 5)<\/p>\n
print(z)  # \u8f93\u51fa: (4+5j)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8be6\u7ec6\u63cf\u8ff0<\/strong>\uff1a\u901a\u8fc7 complex()<\/code> \u51fd\u6570\uff0c\u4f60\u53ef\u4ee5\u66f4\u52a0\u7075\u6d3b\u5730\u521b\u5efa\u590d\u6570\u3002\u5b83\u63a5\u53d7\u4e24\u4e2a\u53c2\u6570\uff0c\u7b2c\u4e00\u4e2a\u662f\u5b9e\u90e8\uff0c\u7b2c\u4e8c\u4e2a\u662f\u865a\u90e8\u3002\u4f8b\u5982\uff0ccomplex(4, 5)<\/code> \u7b49\u540c\u4e8e 4 + 5j<\/code>\u3002\u8fd9\u79cd\u65b9\u5f0f\u5728\u9700\u8981\u52a8\u6001\u521b\u5efa\u590d\u6570\u65f6\u7279\u522b\u6709\u7528\uff0c\u4f8b\u5982\u4ece\u7528\u6237\u8f93\u5165\u6216\u8ba1\u7b97\u7ed3\u679c\u4e2d\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u590d\u6570\u7684\u57fa\u672c\u8fd0\u7b97<\/h3>\n<\/p>\n
\u590d\u6570\u652f\u6301\u57fa\u672c\u7684\u6570\u5b66\u8fd0\u7b97\uff0c\u5305\u62ec\u52a0\u6cd5\u3001\u51cf\u6cd5\u3001\u4e58\u6cd5\u548c\u9664\u6cd5\u3002<\/p>\n<\/p>\n
1\u3001\u52a0\u6cd5\u548c\u51cf\u6cd5<\/h4>\n<\/p>\n
\u590d\u6570\u7684\u52a0\u6cd5\u548c\u51cf\u6cd5\u9075\u5faa\u590d\u6570\u7684\u8fd0\u7b97\u6cd5\u5219\u3002<\/p>\n<\/p>\n
z1 = 2 + 3j<\/p>\n
z2 = 1 + 4j<\/p>\n
print(z1 + z2)  # \u8f93\u51fa: (3+7j)<\/p>\n
print(z1 - z2)  # \u8f93\u51fa: (1-1j)<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u4e58\u6cd5\u548c\u9664\u6cd5<\/h4>\n<\/p>\n
\u590d\u6570\u7684\u4e58\u6cd5\u548c\u9664\u6cd5\u4e5f\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u8fd0\u7b97\u7b26\u3002<\/p>\n<\/p>\n
z1 = 2 + 3j<\/p>\n
z2 = 1 + 4j<\/p>\n
print(z1 * z2)  # \u8f93\u51fa: (-10+11j)<\/p>\n
print(z1 \/ z2)  # \u8f93\u51fa: (0.8235294117647058-0.29411764705882354j)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u590d\u6570\u7684\u5c5e\u6027\u548c\u65b9\u6cd5<\/h3>\n<\/p>\n
Python \u63d0\u4f9b\u4e86\u4e00\u4e9b\u5185\u7f6e\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u6765\u5904\u7406\u590d\u6570\u3002<\/p>\n<\/p>\n
1\u3001\u5b9e\u90e8\u548c\u865a\u90e8<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528 real<\/code> \u548c imag<\/code> \u5c5e\u6027\u6765\u5206\u522b\u83b7\u53d6\u590d\u6570\u7684\u5b9e\u90e8\u548c\u865a\u90e8\u3002<\/p>\n<\/p>\n
z = 2 + 3j<\/p>\n
print(z.real)  # \u8f93\u51fa: 2.0<\/p>\n
print(z.imag)  # \u8f93\u51fa: 3.0<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u5171\u8f6d\u590d\u6570<\/h4>\n<\/p>\n
\u4f7f\u7528 conjugate()<\/code> \u65b9\u6cd5\u53ef\u4ee5\u5f97\u5230\u590d\u6570\u7684\u5171\u8f6d\u3002<\/p>\n<\/p>\n
z = 2 + 3j<\/p>\n
print(z.conjugate())  # \u8f93\u51fa: (2-3j)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u590d\u6570\u7684\u5e94\u7528<\/h3>\n<\/p>\n
\u590d\u6570\u5728\u8bb8\u591a\u79d1\u5b66\u548c\u5de5\u7a0b\u9886\u57df\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u5305\u62ec\u4fe1\u53f7\u5904\u7406\u3001\u63a7\u5236\u7cfb\u7edf\u548c\u91cf\u5b50\u8ba1\u7b97\u3002<\/p>\n<\/p>\n
1\u3001\u4fe1\u53f7\u5904\u7406<\/h4>\n<\/p>\n
\u5728\u4fe1\u53f7\u5904\u7406\u9886\u57df\uff0c\u590d\u6570\u7528\u4e8e\u8868\u793a\u548c\u5206\u6790\u4fe1\u53f7\u7684\u9891\u7387\u6210\u5206\u3002\u5085\u91cc\u53f6\u53d8\u6362\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u5de5\u5177\uff0c\u4f7f\u7528\u590d\u6570\u6765\u8868\u793a\u4fe1\u53f7\u7684\u9891\u57df\u4fe1\u606f\u3002<\/p>\n<\/p>\n
2\u3001\u63a7\u5236\u7cfb\u7edf<\/h4>\n<\/p>\n
\u5728\u63a7\u5236\u7cfb\u7edf\u4e2d\uff0c\u590d\u6570\u7528\u4e8e\u8868\u793a\u7cfb\u7edf\u7684\u6781\u70b9\u548c\u96f6\u70b9\uff0c\u5e2e\u52a9\u5206\u6790\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u54cd\u5e94\u7279\u6027\u3002<\/p>\n<\/p>\n
3\u3001\u91cf\u5b50\u8ba1\u7b97<\/h4>\n<\/p>\n
\u5728\u91cf\u5b50\u8ba1\u7b97\u4e2d\uff0c\u590d\u6570\u7528\u4e8e\u8868\u793a\u91cf\u5b50\u6001\u548c\u64cd\u4f5c\u3002\u91cf\u5b50\u6001\u7684\u5e45\u5ea6\u548c\u76f8\u4f4d\u901a\u5e38\u7528\u590d\u6570\u6765\u8868\u793a\uff0c\u8fd9\u5bf9\u4e8e\u91cf\u5b50\u8ba1\u7b97\u7684\u7406\u8bba\u548c\u5b9e\u73b0\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u590d\u6570\u7684\u5e38\u89c1\u95ee\u9898\u548c\u89e3\u51b3\u65b9\u6848<\/h3>\n<\/p>\n
\u5728\u4f7f\u7528\u590d\u6570\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<\/p>\n
1\u3001\u590d\u6570\u7684\u683c\u5f0f\u5316\u8f93\u51fa<\/h4>\n<\/p>\n
\u5728\u8f93\u51fa\u590d\u6570\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u6765\u63a7\u5236\u8f93\u51fa\u683c\u5f0f\u3002<\/p>\n<\/p>\n
z = 2 + 3j<\/p>\n
print(f'Real part: {z.real}, Imaginary part: {z.imag}')  # \u8f93\u51fa: Real part: 2.0, Imaginary part: 3.0<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u590d\u6570\u7684\u6bd4\u8f83<\/h4>\n<\/p>\n
\u590d\u6570\u4e0d\u80fd\u76f4\u63a5\u6bd4\u8f83\u5927\u5c0f\uff0c\u4f46\u53ef\u4ee5\u6bd4\u8f83\u5b83\u4eec\u7684\u6a21\u3002<\/p>\n<\/p>\n
z1 = 2 + 3j<\/p>\n
z2 = 1 + 4j<\/p>\n
print(abs(z1) > abs(z2))  # \u8f93\u51fa: False<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u590d\u6570\u7684\u6269\u5c55\u9605\u8bfb<\/h3>\n<\/p>\n
\u5982\u679c\u4f60\u5bf9\u590d\u6570\u7684\u5e94\u7528\u611f\u5174\u8da3\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u63a8\u8350\u7684\u6269\u5c55\u9605\u8bfb\u6750\u6599\u3002<\/p>\n<\/p>\n
1\u3001\u300a\u590d\u53d8\u51fd\u6570\u300b<\/h4>\n<\/p>\n
\u8fd9\u672c\u4e66\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u590d\u53d8\u51fd\u6570\u7684\u7406\u8bba\u548c\u5e94\u7528\uff0c\u662f\u5b66\u4e60\u590d\u6570\u7684\u7ecf\u5178\u6559\u6750\u3002<\/p>\n<\/p>\n
2\u3001\u300a\u4fe1\u53f7\u4e0e\u7cfb\u7edf\u300b<\/h4>\n<\/p>\n
\u8fd9\u672c\u4e66\u6db5\u76d6\u4e86\u4fe1\u53f7\u5904\u7406\u4e2d\u7684\u590d\u6570\u5e94\u7528\uff0c\u9002\u5408\u5bf9\u4fe1\u53f7\u5904\u7406\u611f\u5174\u8da3\u7684\u8bfb\u8005\u3002<\/p>\n<\/p>\n
3\u3001\u300a\u91cf\u5b50\u8ba1\u7b97\u4e0e\u91cf\u5b50\u4fe1\u606f\u300b<\/h4>\n<\/p>\n
\u8fd9\u672c\u4e66\u4ecb\u7ecd\u4e86\u91cf\u5b50\u8ba1\u7b97\u4e2d\u7684\u590d\u6570\u5e94\u7528\uff0c\u662f\u91cf\u5b50\u8ba1\u7b97\u9886\u57df\u7684\u91cd\u8981\u53c2\u8003\u4e66\u3002<\/p>\n<\/p>\n
\u603b\u7ed3<\/h3>\n<\/p>\n
\u5728 Python \u4e2d\u4f7f\u7528\u590d\u6570\u975e\u5e38\u7b80\u5355\u548c\u76f4\u89c2<\/strong>\u3002\u901a\u8fc7\u76f4\u63a5\u5728\u6570\u5b57\u540e\u9762\u52a0 'j'\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u5730\u8868\u793a\u590d\u6570\uff0c\u5e76\u8fdb\u884c\u5404\u79cd\u6570\u5b66\u8fd0\u7b97\u3002\u590d\u6570\u5728\u79d1\u5b66\u548c\u5de5\u7a0b\u9886\u57df\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u638c\u63e1\u590d\u6570\u7684\u4f7f\u7528\u5bf9\u4e8e\u4ece\u4e8b\u76f8\u5173\u9886\u57df\u7684\u5de5\u4f5c\u975e\u5e38\u91cd\u8981\u3002\u5e0c\u671b\u672c\u6587\u80fd\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528\u590d\u6570\uff0c\u5e76\u5728\u4f60\u7684\u5de5\u4f5c\u548c\u5b66\u4e60\u4e2d\u53d1\u6325\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u7ed9\u6570\u5b57\u6dfb\u52a0\u865a\u6570\u5355\u4f4dj\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u5728\u6570\u5b57\u540e\u9762\u6dfb\u52a0\u201cj\u201d\u6765\u521b\u5efa\u4e00\u4e2a\u590d\u6570\u3002\u4f8b\u5982\uff0c3 + 4j<\/code>\u8868\u793a\u4e00\u4e2a\u590d\u6570\uff0c\u5176\u4e2d\u5b9e\u90e8\u662f3\uff0c\u865a\u90e8\u662f4\u3002\u60a8\u53ef\u4ee5\u76f4\u63a5\u5728\u4ee3\u7801\u4e2d\u8f93\u5165\u8fd9\u6837\u7684\u6570\u5b57\uff0cPython\u4f1a\u81ea\u52a8\u8bc6\u522b\u3002<\/p>\n
\u5728Python\u4e2d\uff0c\u5982\u4f55\u5c06\u5b9e\u6570\u8f6c\u6362\u4e3a\u590d\u6570\uff1f<\/strong>
\u5982\u679c\u60a8\u60f3\u5c06\u4e00\u4e2a\u5b9e\u6570\u8f6c\u6362\u4e3a\u590d\u6570\uff0c\u53ea\u9700\u5728\u5b9e\u6570\u540e\u9762\u52a0\u4e0a\u201cj\u201d\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6709\u4e00\u4e2a\u53d8\u91cfx = 5<\/code>\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7x_complex = x + 0j<\/code>\u5c06\u5176\u8f6c\u6362\u4e3a\u590d\u6570\u3002\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u786e\u4fdd\u865a\u90e8\u4e3a0\u3002<\/p>\n
\u4f7f\u7528Python\u7684\u590d\u6570\u8fd0\u7b97\u65f6\u6709\u4ec0\u4e48\u6ce8\u610f\u4e8b\u9879\uff1f<\/strong>
\u5728\u8fdb\u884c\u590d\u6570\u8fd0\u7b97\u65f6\uff0c\u786e\u4fdd\u4f7f\u7528\u590d\u6570\u8fd0\u7b97\u7b26\uff0c\u6bd4\u5982\u52a0\u6cd5\u3001\u51cf\u6cd5\u3001\u4e58\u6cd5\u548c\u9664\u6cd5\u3002Python\u4f1a\u81ea\u52a8\u5904\u7406\u590d\u6570\u7684\u8ba1\u7b97\u3002\u4f8b\u5982\uff0c(2 + 3j) * (1 + 2j)<\/code>\u5c06\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u590d\u6570\u7ed3\u679c\uff0c\u60a8\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528print<\/code>\u51fd\u6570\u6765\u67e5\u770b\u7ed3\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728 Python \u4e2d\uff0c\u53ef\u4ee5\u5728\u6570\u5b57\u540e\u9762\u76f4\u63a5\u52a0\u4e0a 'j' \u6765\u8868\u793a\u4e00\u4e2a\u590d\u6570\u7684\u865a\u90e8\u3002 \u5177\u4f53\u6765\u8bf4\uff0cPyt […]","protected":false},"author":3,"featured_media":1117986,"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\/1117981"}],"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=1117981"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1117981\/revisions"}],"predecessor-version":[{"id":1117988,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1117981\/revisions\/1117988"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1117986"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1117981"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1117981"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1117981"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}