exm040204.m

matlab电子书籍

format short g		
rand('state',0)		
A=rand(3,3);			
B=rand(3,3);			
C=rand(3,4);
D=rand(4,3);

tAB=trace(A*B)		
tBA=trace(B*A)  
tCD=trace(C*D)		
tDC=trace(D*C)


d_A_B=det(A)*det(B)
dAB=det(A*B)			
dBA=det(B*A) 

dCD=det(C*D)
dDC=det(D*C)