S4E23. 尺最少需要多少条刻度?—— 稀疏尺问题 episode artwork

EPISODE · Jun 17, 2023 · 26 MIN

S4E23. 尺最少需要多少条刻度?—— 稀疏尺问题

from 大老李聊数学(全集)

我的新书上市了:长度10以内的稀疏尺的例子:长度为135的稀疏尺,它需要21个刻度:{0, 1, 2, 3, 4, 5, 6, 65, 68, 71, 74, 81, 88, 95, 102, 109, 116, 123, 127, 131, 135}长度为138的稀疏尺,它只需要20个刻度(!):{0, 1, 2, 3, 7, 14, 21, 28, 43, 58, 73, 88, 103, 111, 119, 127, 135, 136, 137, 138}节目后半段中,我对最小尺和最优尺概念略有混淆,请谅解。我会在公众号中重新发送文稿,澄清概念。喜马拉雅FM:https://www.ximalaya.com/keji/6310606/  (欢迎加入Ximi团)微信关注:dalaoli_shuxue B站: https://space.bilibili.com/423722633 知乎:https://zhuanlan.zhihu.com/dalaoli-shuxue/

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S4E23. 尺最少需要多少条刻度?—— 稀疏尺问题

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