ex2_4.m

来自「我们上课的资料」· M 代码 · 共 9 行

A=[1,2,3;4,5,6]; B=[7,8,9;10,11,12];
	try
	   C=A*B;
	catch
	   C=A.*B;
	end
	C
	lasterr                %显示出错原因