v1:=Vector([1,2,3,4]);
Vector(4, {(1) = 1, (2) = 2, (3) = 3, (4) = 4});
v2:=Vector([5,6,7,8]);
v1+v2;
10v1+10v2;
v3:=v2^*
A5:=Matrix(5,5, (i,j)-> j+(i-1)*5);
A6=A5^*
v6:=Vector([1,2,3,4,5])
MatrixVectorMultiply(A5,v6);
MatrixScalarMultiply(A5, A6);