\u5b50\u96c6\u548c\u771f\u5b50\u96c6\u662f\u6570\u5b66\u5b66\u4e60\u4e2d\u5e38\u89c1\u7684\u6982\u5ff5\uff0c\u4ed6\u4eec\u90fd\u662f\u4e00\u5217\u6570\u7684\u96c6\u5408\uff0c\u5982\u679c\u96c6\u5408A\u7684\u4efb\u610f\u4e00\u4e2a\u5143\u7d20\u90fd\u662f\u96c6\u5408B\u7684\u5143\u7d20\uff0c\u90a3\u4e48\u96c6\u5408A\u79f0\u4e3a\u96c6\u5408B\u7684\u5b50\u96c6\u3002\u5982\u679c\u96c6\u5408A\u662f\u96c6\u5408B\u7684\u5b50\u96c6\uff0c\u5e76\u4e14\u96c6\u5408B\u4e0d\u662f\u96c6\u5408A\u7684\u5b50\u96c6\uff0c\u90a3\u4e48\u96c6\u5408A\u53eb\u505a\u96c6\u5408B\u7684\u771f\u5b50\u96c6\u3002<\/p>\n
\u5b50\u96c6\u548c\u771f\u5b50\u96c6\u7684\u533a\u522b<\/p>\n
\u5b50\u96c6\u4e0e\u771f\u5b50\u96c6\u7684\u533a\u522b\u662f\u5305\u542b\u7684\u8303\u56f4\u4e0d\u540c\u3002<\/p>\n
1\u3001\u5b50\u96c6\u662f\u4e00\u4e2a\u96c6\u5408\u4e2d\u7684\u5168\u90e8\u5143\u7d20\u662f\u53e6\u4e00\u4e2a\u96c6\u5408\u4e2d\u7684\u5143\u7d20\uff0c\u6709\u53ef\u80fd\u4e0e\u53e6\u4e00\u4e2a\u96c6\u5408\u76f8\u7b49\u3002<\/p>\n
\u4f8b\u5982\uff1a\u8bbe\u5168\u96c6I\u4e3a{1,2,3}\uff0c\u5219\u5b83\u7684\u5b50\u96c6\u53ef\u4ee5\u662f{1}\u3001{2}\u3001{3}\u3001{1,2}\u3001{1,3}\u3001{2,3}\u3001{1,2,3}\u3001\uff1f\u3002<\/p>\n
2\u3001\u771f\u5b50\u96c6\u662f\u4e00\u4e2a\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u5168\u90e8\u662f\u53e6\u4e00\u4e2a\u96c6\u5408\u4e2d\u7684\u5143\u7d20\uff0c\u4f46\u4e0d\u5b58\u5728\u76f8\u7b49\u3002<\/p>\n
\u8bbe\u5168\u96c6I\u4e3a{1,2,3}\uff0c\u5219\u5b83\u7684\u771f\u5b50\u96c6\u4e3a{1}\u3001{2}\u3001{3}\u3001{1,2}\u3001{1,3}\u3001{2,3}\u3001\uff1f\u3002<\/p>\n
\u5b50\u96c6\u4ec0\u4e48\u610f\u601d<\/p>\n
\u5b50\u96c6\u662f\u4e00\u4e2a\u6570\u5b66\u6982\u5ff5\uff0c\u5982\u679c\u96c6\u5408A\u7684\u4efb\u610f\u4e00\u4e2a\u5143\u7d20\u90fd\u662f\u96c6\u5408B\u7684\u5143\u7d20\uff08\u4efb\u610fa\u2208A\u5219a\u2208B\uff09\uff0c\u90a3\u4e48\u96c6\u5408A\u79f0\u4e3a\u96c6\u5408B\u7684\u5b50\u96c6\u5bf9\u4e8e\u4e24\u4e2a\u975e\u7a7a\u96c6\u5408A\u4e0eB\uff0c\u5982\u679c\u96c6\u5408A\u7684\u4efb\u4f55\u4e00\u4e2a\u5143\u7d20\u90fd\u662f\u96c6\u5408B\u7684\u5143\u7d20\uff0c\u6211\u4eec\u5c31\u8bf4A?B\uff08\u8bfb\u4f5cA\u5305\u542b\u4e8eB\uff09\uff0c\u6216B?A\uff08\u8bfb\u4f5cB\u5305\u542bA\uff09\uff0c\u79f0\u96c6\u5408A\u662f\u96c6\u5408B\u7684\u5b50\u96c6\u3002<\/p>\n
\u89c4\u5b9a\uff1a\u7a7a\u96c6\u662f\u4efb\u4f55\u96c6\u5408\u7684\u5b50\u96c6\uff0c\u662f\u4efb\u4f55\u975e\u7a7a\u96c6\u5408\u7684\u771f\u5b50\u96c6\u3002<\/p>\n
\u7a7a\u96c6\u7684\u5b50\u96c6\u662f\u5b83\u672c\u8eab\u3002<\/p>\n
\u5982\u679cA?B\uff0c\u800c\u96c6\u5408B\u4e2d\u81f3\u5c11\u6709\u4e00\u4e2a\u5143\u7d20\u4e0d\u5c5e\u4e8e\u96c6\u5408A\uff0c\u5219\u79f0\u96c6\u5408A\u662f\u96c6\u5408B\u7684\u771f\u5b50\u96c6\u3002\u4efb\u4f55\u4e00\u4e2a\u96c6\u5408\u662f\u5b83\u672c\u8eab\u7684\u5b50\u96c6\u3002<\/p>\n
\u96c6\u5408\u7684\u5305\u542b\u5173\u7cfb\u548c\u5b9e\u6570\u7684\u5927\u5c0f\u5173\u7cfb\u6709\u76f8\u4f3c\u4e4b\u5904\uff0c\u8bb0\u53f7\uff1f\u548c\u2266\u6709\u76f8\u4f3c\u4e4b\u5904\uff0c\u5f00\u53e3\u6307\u5411\u201c\u8f83\u5927\u7684\u4e00\u8fb9\u201d\u3002<\/p>\n
\u5b50\u96c6\u4e2a\u6570\u662f2\u7684n\u6b21\u65b9\u600e\u4e48\u8bc1\u660e<\/p>\n
\u8bbe\u8bbe\u6709\u9650\u96c6\u5408\u7684\u5143\u7d20\u4e3an\u4e2a\uff0c\u5219\u5b83\u7684\u5b50\u96c6\u6709\u7a7a\u96c61\u4e2a\uff0c\u4e00\u4e2a\u5143\u7d20\u7684\u5355\u5143\u7d20\u96c6n\u4e2a\uff0c\u53cc\u5143\u7d20\u96c6\u6709n\u4e2a\u4e2d\u53d62\u4e2a\u7684\u7ec4\u5408\u6570\u4e2a\uff0c\u4e09\u5143\u7d20\u96c6\u6709n\u4e2d\u53d63\u7684\u7ec4\u5408\u6570\u4e2a\uff0c\u4f9d\u6b21\u7c7b\u63a8\uff0c\u4e00\u76f4\u5230n\u4e2d\u53d6n\u4e2a\u7ec4\u5408\u6570\u4e3a\u6b62\u3002\u603b\u5171\u6709\u51e0\u4e2a\u5b51\u96c6\uff0c\u5c31\u662f\u4e0a\u8ff0\u90a3\u4e9b\u7ec4\u5408\u6570\u4e4b\u548c\u3002\u800c\uff081\uff0b1\uff09^n\u7684\u5c55\u5f00\u5f0f\u5c31\u662f\u4e0a\u8ff0\u7ec4\u5408\u6570\u4e4b\u548c\u3002\u6240\u4ee5\uff0c\u5b50\u96c6\u7684\u4e2a\u6570\u5171\u67092^n\u4e2a\u3002<\/p>\n
\u771f\u5b50\u96c6\u548c\u975e\u7a7a\u5b50\u96c6\u7684\u533a\u522b\u4e3e\u4f8b\u8bf4\u660e<\/p>\n
\u7a7a\u96c6\uff1a\u628a\u4e0d\u542b\u6709\u4efb\u4f55\u5143\u7d20\u7684\u96c6\u5408\u53eb\u505a\u7a7a\u96c6\uff0c\u8bb0\u4f5c\uff1f\uff0c\u7a7a\u96c6\u5f52\u5165\u6709\u9650\u96c6\uff0c\u7a7a\u96c6\u662f\u4efb\u4f55\u96c6\u5408\u7684\u5b50\u96c6\uff0c\u7a7a\u96c6\u662f\u4efb\u4f55\u975e\u7a7a\u96c6\u5408\u7684\u771f\u5b50\u96c6\u3002<\/p>\n
\u5b50\u96c6\uff1a\u5bf9\u4e8e\u4e24\u4e2a\u96c6\u5408A\u4e0eB\uff0c\u5982\u679c\u96c6\u5408A\u7684\u4efb\u4f55\u4e00\u4e2a\u5143\u7d20\u90fd\u662f\u96c6\u5408B\u7684\u5143\u7d20\uff0c\u90a3\u4e48\u96c6\u5408A\u53eb\u505a\u96c6\u5408B\u7684\u5b50\u96c6\u3002<\/p>\n
\u771f\u5b50\u96c6\uff1a\u5982\u679cA\u662f\u96c6\u5408B\u7684\u5b50\u96c6\uff0c\u5e76\u4e14B\u4e2d\u81f3\u5c11\u6709\u4e00\u4e2a\u5143\u7d20\u4e0d\u5c5e\u4e8eA\uff0c\u90a3\u4e48\u96c6\u5408A\u53eb\u505a\u96c6\u5408B\u7684\u771f\u5b50\u96c6\u3002<\/p>\n
\u5b50\u96c6\u4e2a\u6570\uff1an\u4e2a\u5143\u7d20\u7684\u96c6\u5408\u67092\u7684n\u6b21\u65b9\u4e2a\u5b50\u96c6\uff1bn\u4e2a\u5143\u7d20\u7684\u96c6\u5408\u67092\u7684n\u6b21\u65b9\uff0d1\u4e2a\u771f\u5b50\u96c6\uff1bn\u4e2a\u5143\u7d20\u7684\u96c6\u5408\u67092\u7684n\u6b21\u65b9\uff0d1\u4e2a\u975e\u7a7a\u5b50\u96c6\uff1bn\u4e2a\u5143\u7d20\u7684\u96c6\u5408\u67092\u7684n\u6b21\u65b9\uff0d2\u4e2a\u975e\u7a7a\u771f\u5b50\u96c6\u3002<\/p>\n
\u4ea4\u96c6\uff1a\u7531\u96c6\u5408A\u548c\u96c6\u5408B\u7684\u6240\u6709\u516c\u5171\u5143\u7d20\u7ec4\u6210\u7684\u96c6\u5408\uff0cA\u2229B={x|x\u2208A\u4e14x\u2208B}\u3002<\/p>\n
\u5e76\u96c6\uff1a\u7531\u6240\u6709\u5c5e\u4e8e\u96c6\u5408A\u6216\u5c5e\u4e8e\u96c6\u5408B\u7684\u5143\u7d20\u7ec4\u6210\u7684\u96c6\u5408\uff0cA\u222aB={x|x\u5c5e\u4e8eA\u6216x\u2208B}\u3002<\/p>\n
\u8865\u96c6\uff1a\u8bb0U\u4e3a\u5168\u96c6\uff0cA\u662fU\u7684\u5b50\u96c6\uff0c\u5219\u7531U\u4e2d\u6240\u6709\u4e0d\u5c5e\u4e8eA\u7684\u5143\u7d20\u7ec4\u6210\u7684\u96c6\u5408\uff0c\u53eb\u505aA\u5728\u5168\u96c6U\u4e2d\u7684\u8865\u96c6\u3002<\/p>\n
\u975e\u7a7a\u771f\u5b50\u96c6\u548c\u771f\u5b50\u96c6\u7684\u533a\u522b\uff1a\u4e24\u8005\u7684\u5305\u542b\u8303\u56f4\u4e0d\u540c\u3002<\/p>\n
\u975e\u7a7a\u771f\u5b50\u96c6\u6bd4\u771f\u975e\u7a7a\u771f\u5b50\u96c6\u8303\u56f4\u5927\uff0c\u975e\u7a7a\u771f\u5b50\u96c6\u91cc\u53ef\u4ee5\u6709\u5168\u96c6\u672c\u8eab\uff0c\u771f\u975e\u7a7a\u771f\u5b50\u96c6\u91cc\u6ca1\u6709\u3002\u524d\u8005\u4e0d\u5305\u62ec\u7a7a\u96c6\uff0c\u540e\u8005\u53ef\u4ee5\u6709\u3002<\/p>\n
\u4e3e\u4f8b\u8bf4\u660e\uff0c\u6bd4\u5982\u5168\u96c6I\u4e3a{1\uff0c2\uff0c3}\uff0c\u5b83\u7684\u975e\u7a7a\u771f\u5b50\u96c6\u4e3a{1}\u3001{2}\u3001{3}\u3001{1\uff0c2}\u3001{1\uff0c3}\u3001{2\uff0c3}\u3001{1\uff0c2\uff0c3}\u3001\u518d\u52a0\u4e2a\u7a7a\u96c6\uff1b\u800c\u771f\u975e\u7a7a\u771f\u5b50\u96c6\u4e3a{1}\u3001{2}\u3001{3}\u3001{1\uff0c2}\u3001{1\uff0c3}\u3001{2\uff0c3}\u3001\u518d\u52a0\u4e2a\u7a7a\u96c6\uff0c\u4e0d\u5305\u62ec\u5168\u96c6I\u672c\u8eab\u7a7a\u96c6\uff1a\u628a\u4e0d\u542b\u6709\u4efb\u4f55\u5143\u7d20\u7684\u96c6\u5408\u53eb\u505a\u7a7a\u96c6\uff0c\u8bb0\u4f5c\uff1f\uff0c\u7a7a\u96c6\u5f52\u5165\u6709\u9650\u96c6\uff0c\u7a7a\u96c6\u662f\u4efb\u4f55\u96c6\u5408\u7684\u5b50\u96c6\uff0c\u7a7a\u96c6\u662f\u4efb\u4f55\u975e\u7a7a\u96c6\u5408\u7684\u771f\u5b50\u96c6\u3002<\/p>\n
\u5b50\u96c6\uff1a\u5bf9\u4e8e\u4e24\u4e2a\u96c6\u5408A\u4e0eB\uff0c\u5982\u679c\u96c6\u5408A\u7684\u4efb\u4f55\u4e00\u4e2a\u5143\u7d20\u90fd\u662f\u96c6\u5408B\u7684\u5143\u7d20\uff0c\u90a3\u4e48\u96c6\u5408A\u53eb\u505a\u96c6\u5408B\u7684\u5b50\u96c6\u3002<\/p>\n
\u771f\u5b50\u96c6\uff1a\u5982\u679cA\u662f\u96c6\u5408B\u7684\u5b50\u96c6\uff0c\u5e76\u4e14B\u4e2d\u81f3\u5c11\u6709\u4e00\u4e2a\u5143\u7d20\u4e0d\u5c5e\u4e8eA\uff0c\u90a3\u4e48\u96c6\u5408A\u53eb\u505a\u96c6\u5408B\u7684\u771f\u5b50\u96c6\u3002<\/p>\n
\u5b50\u96c6\u4e2a\u6570\uff1an\u4e2a\u5143\u7d20\u7684\u96c6\u5408\u67092\u7684n\u6b21\u65b9\u4e2a\u5b50\u96c6\uff1bn\u4e2a\u5143\u7d20\u7684\u96c6\u5408\u67092\u7684n\u6b21\u65b9\uff0d1\u4e2a\u771f\u5b50\u96c6\uff1bn\u4e2a\u5143\u7d20\u7684\u96c6\u5408\u67092\u7684n\u6b21\u65b9\uff0d1\u4e2a\u975e\u7a7a\u5b50\u96c6\uff1bn\u4e2a\u5143\u7d20\u7684\u96c6\u5408\u67092\u7684n\u6b21\u65b9\uff0d2\u4e2a\u975e\u7a7a\u771f\u5b50\u96c6\u3002<\/p>\n
\u4ea4\u96c6\uff1a\u7531\u96c6\u5408A\u548c\u96c6\u5408B\u7684\u6240\u6709\u516c\u5171\u5143\u7d20\u7ec4\u6210\u7684\u96c6\u5408\uff0cA\u2229B={x|x\u2208A\u4e14x\u2208B}\u3002<\/p>\n
\u5e76\u96c6\uff1a\u7531\u6240\u6709\u5c5e\u4e8e\u96c6\u5408A\u6216\u5c5e\u4e8e\u96c6\u5408B\u7684\u5143\u7d20\u7ec4\u6210\u7684\u96c6\u5408\uff0cA\u222aB={x|x\u5c5e\u4e8eA\u6216x\u2208B}\u3002<\/p>\n
\u8865\u96c6\uff1a\u8bb0U\u4e3a\u5168\u96c6\uff0cA\u662fU\u7684\u5b50\u96c6\uff0c\u5219\u7531U\u4e2d\u6240\u6709\u4e0d\u5c5e\u4e8eA\u7684\u5143\u7d20\u7ec4\u6210\u7684\u96c6\u5408\uff0c\u53eb\u505aA\u5728\u5168\u96c6U\u4e2d\u7684\u8865\u96c6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b50\u96c6\u548c\u771f\u5b50\u96c6\u662f\u6570\u5b66\u5b66\u4e60\u4e2d\u5e38\u89c1\u7684\u6982\u5ff5\uff0c\u4ed6\u4eec\u90fd\u662f\u4e00\u5217\u6570\u7684\u96c6\u5408\uff0c\u5982\u679c\u96c6\u5408A\u7684\u4efb\u610f\u4e00\u4e2a\u5143\u7d20\u90fd\u662f\u96c6\u5408B\u7684\u5143\u7d20\uff0c\u90a3\u4e48\u96c6\u5408A … \u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-34773","post","type-post","status-publish","format-standard","hentry","category-shuxue"],"views":265,"_links":{"self":[{"href":"https:\/\/www.114158.com\/z\/wp-json\/wp\/v2\/posts\/34773","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.114158.com\/z\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.114158.com\/z\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.114158.com\/z\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.114158.com\/z\/wp-json\/wp\/v2\/comments?post=34773"}],"version-history":[{"count":1,"href":"https:\/\/www.114158.com\/z\/wp-json\/wp\/v2\/posts\/34773\/revisions"}],"predecessor-version":[{"id":34780,"href":"https:\/\/www.114158.com\/z\/wp-json\/wp\/v2\/posts\/34773\/revisions\/34780"}],"wp:attachment":[{"href":"https:\/\/www.114158.com\/z\/wp-json\/wp\/v2\/media?parent=34773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.114158.com\/z\/wp-json\/wp\/v2\/categories?post=34773"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.114158.com\/z\/wp-json\/wp\/v2\/tags?post=34773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}