Matrix division does not work because of matrix dimensions

I have two matrices:

A: 5 by 5
B: 5 by 3

How can I claculate matrix division as B divided by A?

I have used:

B / A
B \ A
B ./ A

But all of them show this message:

"Matrix dimensions must agree."

Answer 1

[Ridwan Alam]

B\A gives a warning, but not an error.

B\A means inv(B)*A. But your B is not square, so inv(B) won't work.

And, you are not looking for A\B?

[Hadi Ghahremannezhad]

That works. Is there a way to avoid the division by zero at the same time?

[Ridwan Alam]

Oh, great.

As long as the matrix is square and invertible, you don't need to worry about div by zero, I believe.

[Hadi Ghahremannezhad]

But there are weird numbers in the result:

41.8515350877193 -1.69864901616146e-17 0.500000000000006

-13.9838450292398 43.6678217821782 0.500000000000000

-13.9838450292398 -1.66902048510060e-17 -43.1678217821782

-13.9838450292398 -43.6678217821782 0.499999999999989

-13.9838450292398 -1.27074865530056e-17 44.1678217821782

[Ridwan Alam]

what's your A and B? maybe share the code?