function exm0592_1()
%exm0591_1.m

shg
randn('state',1),rand('state',31)
x=randn(100,1);y=rand(100,1);
subplot(1,2,1),hist(x,7)
subplot(1,2,2),histfit(x,20)  
disp('按任意鍵，繼續！'),pause
n_y1=min(y):0.1:max(y);n_y2=min(y):0.05:max(y);
subplot(1,2,1),hist(y,n_y1)
subplot(1,2,2),hist(y,n_y2)