exm040304.m

matlab电子书籍

randn('state',0)			
A=randn(1000,4);			
AMAX=max(A)				
AMIN=min(A)				
CM=mean(A)				
MA=mean(mean(A))			
S=std(A)					
var(A)-S.^2				
C=cov(A)
diag(C)'-var(A)			
p=corrcoef(A)