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5仿真币
Usage: z_normal(s,mu,sigma);
6 X5 {& w3 Y. z- {4 GThe expression s (integer) defines the random number stream, while mu and sigma define mean and deviation of the normal distribution.
0 w3 l0 B8 m9 [, d6 E/ {' @里面的s表示什么意思啊?8 V1 ?- \$ }/ R+ x5 L1 V6 G
我主要是The expression s (integer) defines the random number stream中的stream不太理解。
8 c7 q' z9 l. c: D8 ], F谢谢各位帮忙!
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[ 本帖最后由 Michelleqiqi 于 2008-5-28 22:40 编辑 ] |
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