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I have following matrices :
X=1 2 3
A=1 2 3
4 5 6
7 8 9
I Want to do
for each (i,j) in A
B(i,j) = sum(A(i,j)*x)
i.e. each element of A is multiplied by vector X, and we sum all 3 elements of that vector.
Can it be done without for loop ?
Something like this perhaps ?