how do you do matrix calculation

I have vector A, C and Matrix b as;

A=[x1,x2,x3]

C=[2,3,4] and b is a unit sq matrix of 3x3. How do you write this in matlab to calculate x1, x2 and x3 and a relation is

A=bC

Answer 1

[KSSV]

A = C*b

[Ls]

A is in column format; i.e A=A'

C is square matrix;

B is in column format as well; i.e B=B'