5-15.m

《MATLAB 7.0编程基础》第5章 （源码实例）主要讲解MATLAB的编程基础

A=[1,2,3;4,5,6]
[x,y]=size(A)
if isempty (A)
disp(‘Matrix A is empty’);
return
elseif (x~=y)
disp(Matrix A is not a square’);
return
else
disp(‘Matrix A is a square’);
end