{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"dde4e586-1def-4457-8ec5-0287b0b0511d","title":"认知 人行为背后的思维与智能","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787300273921","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"dde4e586-1def-4457-8ec5-0287b0b0511d","id":"dde4e586-1def-4457-8ec5-0287b0b0511d","uuid":"dde4e586-1def-4457-8ec5-0287b0b0511d","title":"认知 人行为背后的思维与智能","normalized_title":"认知人行为背后的思维与智能","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787300273921","isbns":["9787300273921"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":290,"navigation_url":"https://workshop.closeclaw.top/ai/book/dde4e586-1def-4457-8ec5-0287b0b0511d","title_url":"https://workshop.closeclaw.top/ai/title/%E8%AE%A4%E7%9F%A5%20%E4%BA%BA%E8%A1%8C%E4%B8%BA%E8%83%8C%E5%90%8E%E7%9A%84%E6%80%9D%E7%BB%B4%E4%B8%8E%E6%99%BA%E8%83%BD","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/dde4e586-1def-4457-8ec5-0287b0b0511d/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/dde4e586-1def-4457-8ec5-0287b0b0511d/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/dde4e586-1def-4457-8ec5-0287b0b0511d","page_url":"https://workshop.closeclaw.top/api/ai/books/dde4e586-1def-4457-8ec5-0287b0b0511d/page","search_url":"https://workshop.closeclaw.top/api/ai/books/dde4e586-1def-4457-8ec5-0287b0b0511d/search"},"page":{"printed_page":28,"pdf_page":39,"physical_index":39,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"44fbb9277c14a5e3e8fdfc90e755c02555992d2b91f508bd45c40fa4bbe84dfb"},"chapter":"第二章人类认知系统的结构","content":"图2-1数字排列游戏\n\n因为即使是解决最简单的问题，要想得到次数最少、效能最高的解决方法也是非常困难的。在上述数字排列游戏中，如果不要求用最少的动作来达到目的，而是允许用任何方法的话，那就很容易解决问题。寻找最优方法和满意方法之间的困难程度相差很大。英国的一个成语“草垛寻针”是用来形容一件事的困难程度的。假定有一个大草垛，里边有许多针，为了缝衣服上的纽扣，要从草垛里找出一枚最细最尖的针，那是要花费相当时间的。如果草垛大一倍，寻找的时间也要增加一倍。但是，如果不要求找出最细最尖的针，而只要求找到一枚能把扣子缝上的针就可以了，这时所采取的方法就是满意的方法。在这种情况下，搜索时间不以草垛的大小为转移，只取决于草垛中针的分布密度。人们在实际生活中解决问题就像从草垛里寻针一样，不能只认定某一种最优的方法。用满意方法解决问题要容易得多，它不依赖于问题的空间，不需要进行全部搜索，而只要能达到解决的程度就可以了。\n\n认知\n\n28","previous_page":27,"next_page":29}