cheney19830822
发表于 2010-11-17 14:40:10
dingdingdingdingdingdingdingding
cheney19830822
发表于 2010-11-17 14:42:35
dingdingdingdingdingdingdingding
cheney19830822
发表于 2010-11-17 14:43:43
dingdingdingdingdingdingdingding
cheney19830822
发表于 2010-11-17 14:48:56
dingdingdingdingdingdingdingding
cheney19830822
发表于 2010-11-17 15:44:18
dingdingdingdingdingdingdingding
cheney19830822
发表于 2010-11-17 15:48:59
dingdingdingdingdingdingdingding
cheney19830822
发表于 2010-11-17 15:52:03
dingdingdingdingdingdingdingding
fifigop
发表于 2010-11-24 10:14:05
请教CPK与PPK的差异。
在好多关于CPK的资料上CPK的算法都是下面这样.
CPK=MIN((ULS-X)/3sigma, (X-LSL)/3sigma)
而在好多CPK的Excel表单中上面的算法恰好是PPK的算法. CPK的算法却是下面这样.
CPK=MIN((ULS-X)/3*R/d2), (X-LSL)/3*R/d2)
julian_lu2003
发表于 2010-11-30 16:41:43
顶一个!是我需要的!
dizhi2003
发表于 2011-1-6 14:05:02
谢谢分享 谢谢分享 谢谢分享