Usage: z_normal(s,mu,sigma); 4 o' F B$ e+ j6 z
The expression s (integer) defines the random number stream, while mu and sigma define mean and deviation of the normal distribution. . f# w0 @6 X4 g+ k3 n' h里面的s表示什么意思啊?8 L+ g4 m8 x1 d: Y( J
我主要是The expression s (integer) defines the random number stream中的stream不太理解。) ^% e* [; [3 d$ l( ?
谢谢各位帮忙!2 b; i- t" A% C. K0 x