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S2E25. 初中生的数学发现,及如何做一个合格数学爱好者-- 第二季结束语 episode artwork

EPISODE · Feb 9, 2019 · 13 MIN

S2E25. 初中生的数学发现,及如何做一个合格数学爱好者-- 第二季结束语

from 大老李聊数学(全集)

大家好,我是大老李。这期节目是第二季的最后一期,本来我还有点愁这第二季结束语聊点啥呢,正好前几天,一位署名“上海实验中学中一班陈嘉熙”的听众,联系到我,说他听了我之前一期关于“[柯克曼女生散步](https://zhuanlan.zhihu.com/p/52564933)”问题的节目之后,自己有了点发现,让我给看看。 这位陈同学的发现是有关可分解的不平衡区组设计的,简称RBIBD问题,具体含义请回听一下那期柯克曼女生散步问题。在那期节目最后我提到了,我收到另一个署名王本材的听众来信,说他在研究$(n^2,n,1)$这种类型的RBIBD问题。比如n取5的时候,这个问题就相当于问:有25个人,能否找出一种方案,每天每5个一组出去散步,每天5组,连续散步6天。最终6天后,每个人恰好和其他人一起散步一次? 陈同学的思路: 公众号: dalaoli_shuxue 知乎专栏:https://zhuanlan.zhihu.com/dalaoli-shuxue

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S2E25. 初中生的数学发现,及如何做一个合格数学爱好者-- 第二季结束语

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