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5仿真币
Usage: z_normal(s,mu,sigma);
& s4 I% C5 j% }- w" ZThe expression s (integer) defines the random number stream, while mu and sigma define mean and deviation of the normal distribution.. c; W% s9 ?1 Z$ V
里面的s表示什么意思啊?
o, Q/ Z* r' n我主要是The expression s (integer) defines the random number stream中的stream不太理解。: j" b. b; q! s6 Z2 v% L4 l: l6 b- M% k
谢谢各位帮忙!3 p I) m+ u! @) i T: f
3 p8 [& l$ [' L" @[ 本帖最后由 Michelleqiqi 于 2008-5-28 22:40 编辑 ] |
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