两个公式都配合,选参数少到(2)。见Von Neumann到名言:With four parameters I can fit

回答: 这里有数学高手,问一个实际问题A-mao2013-02-18 10:55:27

With four parameters I can fit an elephant, and with five I can make him wiggle his trunk

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:(. I am trying to put more salt for discussion. -A-mao- 给 A-mao 发送悄悄话 A-mao 的博客首页 (0 bytes) () 02/18/2013 postreply 12:20:22

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