{"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":57,"pdf_page":68,"physical_index":68,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"0fd99c7d31d752611a72db415842d7cc16fd79885a2e7be0247f5ece2a229b63"},"chapter":"第三章问题解决","content":"产生式系统\n\n信息加工系统能进行数学运算是以产生式系统为基础的。所谓产生式系统，是指计算机所能执行的一组活动，它的基本原理是一个条件能产生一个活动，即C-A（condition-act)。过去在心理学中有一个S-R公式。产生式系统是从“条件”到“活动”，其中的活动就相当于反应。每当某个条件出现时就产生某个活动。S-R与C-A有联系，但也有不同。二者共同的地方是当刺激出现时就会出现反应，当“条件”出现时就会出现“活动”。但是，在“条件”和“活动”的联系上，“条件”并不等于外来的刺激。“条件”有已有的信息，即在短时记忆中已保存了的信息，这是二者的区别。\n\n就拿我们做竖式的加法计算来说，首先，总的目标是做加法，在具体做的时候，是先读4，将4保存在短时记忆中；再读7；7和4相加得11，又将11保存在短时记忆中。得了11之后就没有必要再保持4和7了，只保存11就够了。这样我们解决竖式加法的方法就是，4+7=11，11+3=14，14+8=22，22+2=24。在这个解题过程中，每一步脑子里只保持1个数和读1个数。计算过程中脑子里的短时记忆和读数是：4—7，11-3，14—8，\n\n第三章 问题解决\n\n57","previous_page":null,"next_page":58}