Question: matrix matrix multiplication non-conformable matrices

Dear maple experts,

as far as I know premultiplication of matrix A with matrix B is only possible if the number of columns of A is equal to the number of rows of B (matrices are conformable). Not so in Maple: strange.mw

I expected an error message, so I would receive feedback that I made an error.

what's going on?

kind regards,

Harry Garst

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