Session 3.4 Using the Linear Algebra Package for Simple Operations
> restart;
> a:=array([[1,2],[3,4],[5,6]]);
> b:=array([[x,x],[y,y],[z,z]]);
> with(linalg):
Warning, new definition for norm
Warning, new definition for trace
> matadd(a,b);
> transpose(a);
> multiply(transpose(a),b);
>