{"id":205070,"date":"2025-05-29T17:40:17","date_gmt":"2025-05-29T09:40:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205070\/"},"modified":"2025-05-29T17:40:17","modified_gmt":"2025-05-29T09:40:17","slug":"%e5%b5%8c%e5%a5%97%e5%88%97%e8%a1%a8%e8%bd%acnumpy%e6%95%b0%e7%bb%84%e5%a4%b1%e8%b4%a5%ef%bc%9a%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3setting-an-array-element-with-a-sequence%e9%94%99%e8%af%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205070\/","title":{"rendered":"\u5d4c\u5957\u5217\u8868\u8f6cNumPy\u6570\u7ec4\u5931\u8d25\uff1a\u5982\u4f55\u89e3\u51b3\\”setting an array element with a sequence\\”\u9519\u8bef\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u5d4c\u5957\u5217\u8868\u8f6cNumPy\u6570\u7ec4\u5931\u8d25\uff1a\u5982\u4f55\u89e3\u51b3\\”setting an array element with a sequence\\”\u9519\u8bef\uff1f<\/h1>\n

\u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300a\u5d4c\u5957\u5217\u8868\u8f6cNumPy\u6570\u7ec4\u5931\u8d25\uff1a\u5982\u4f55\u89e3\u51b3\\”setting an array element with a sequence\\”\u9519\u8bef\uff1f\u300b\uff0c\u4e3b\u8981\u5305\u62ec\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002<\/p>\n

<\/p>\n

list\u8f6c\u6362\u4e3aarray\u5931\u8d25\u7684\u89e3\u51b3\u65b9\u6cd5<\/strong><\/p>\n

\u5728\u5c06\u5d4c\u5957\u5217\u8868\u8f6c\u6362\u4e3anumpy\u6570\u7ec4\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u9519\u8bef\uff1a”setting an array element with a sequence… the detected shape was (20, 15) + inhomogeneous part.”\u3002\u8fd9\u901a\u5e38\u662f\u7531\u4e8e\u5d4c\u5957\u5217\u8868\u4e2d\u5b50\u5217\u8868\u957f\u5ea6\u4e0d\u4e00\u81f4\u6216\u6570\u636e\u7c7b\u578b\u4e0d\u4e00\u81f4\u9020\u6210\u7684\u3002<\/p>\n

\u8981\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u9996\u5148\u6392\u9664\u6570\u636e\u7c7b\u578b\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002\u5982\u679c\u6240\u6709\u5b50\u5217\u8868\u7684\u6570\u636e\u7c7b\u578b\u76f8\u540c\uff0c\u5219\u53ef\u80fd\u662f\u7531\u4e8e\u5b50\u5217\u8868\u957f\u5ea6\u4e0d\u4e00\u81f4\u3002<\/p>\n

\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u5bf9\u5b50\u5217\u8868\u8fdb\u884c\u586b\u5145\uff0c\u4f7f\u5b83\u4eec\u5177\u6709\u76f8\u540c\u7684\u957f\u5ea6\u3002\u4ee5\u4e0b\u662f\u89e3\u51b3\u6b64\u95ee\u9898\u7684 python \u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n

import numpy as np\n\nprops = [[1, 2, 3, {'a': 1, 'b': 2}],\n         [4, 5, 6, 7, {'c': 3, 'd': 4}],\n         [8, 9, 10]]\n\n# \u83b7\u53d6\u6bcf\u4e2a\u5b50\u5217\u8868\u7684\u957f\u5ea6\nlengths = [len(inner_list) for inner_list in props]\n\n# \u83b7\u53d6\u6700\u957f\u7684\u5b50\u5217\u8868\u957f\u5ea6\nmax_length = max(lengths)\n\n# \u7528 none \u586b\u5145\u8f83\u77ed\u7684\u5b50\u5217\u8868\npadded_props = [inner_list + [none] * (max_length - len(inner_list)) for inner_list in props]\n\n# \u8f6c\u6362\u4e3a numpy \u6570\u7ec4\nnp_props = np.array(padded_props)\n\nprint(np_props)<\/pre>\n
\u8f93\u51fa\uff1a<\/p>\n
[[1 2 3 {'a': 1, 'b': 2} None]\n [4 5 6 7 {'c': 3, 'd': 4}]\n [8 9 10 None None]]<\/pre>\n
\u672c\u7bc7\u5173\u4e8e\u300a\u5d4c\u5957\u5217\u8868\u8f6cNumPy\u6570\u7ec4\u5931\u8d25\uff1a\u5982\u4f55\u89e3\u51b3\\”setting an array element with a sequence\\”\u9519\u8bef\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5d4c\u5957\u5217\u8868\u8f6cNumPy\u6570\u7ec4\u5931\u8d25\uff1a\u5982...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-205070","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205070","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=205070"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205070\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205070"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205070"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205070"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}