Example 1.2.7

> restart;

> with(linalg):

Warning, new definition for norm

Warning, new definition for trace

> A:='A': A:=vector(3, [1,3,7]);

> B:='B': B:=vector(3, [-1,0,6]);

> C:=vector(3, [0,-1,-2]);

Because D is reserved for the differential operator, let us use the other symbol E for the vector D .

> E:=vector(3, [-2,-4,-3]);

> evalm(B-A);

> evalm(E-C);

> evalm((B-A)-(E-C));