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5仿真币
Usage: z_normal(s,mu,sigma);
" s) k% S+ H2 B+ | N5 HThe expression s (integer) defines the random number stream, while mu and sigma define mean and deviation of the normal distribution.
* ~. _/ x1 }0 R% H里面的s表示什么意思啊?' ]' J9 ^6 x7 \* g2 p: q, m2 j
我主要是The expression s (integer) defines the random number stream中的stream不太理解。7 I6 k9 n- }0 V
谢谢各位帮忙!
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) m) {* W( E o# ^[ 本帖最后由 Michelleqiqi 于 2008-5-28 22:40 编辑 ] |
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