The 5th case should be: C_correct = cat(3,A(:,:,1)*B,A(:,:,2)*B,A(:,:,3)*B); ??
I gave the solution which passes all given test cases, but I am sure it will fail, if there are multiple combinations of sizes of A and B.
I believe, to get a full-proof solution, more test cases are needed. Or such solution can work for limited combination of sizes of multidimensional matrices to be multiplied.
José Ramón, You are absolutely right. I will fix it.
Have a look in 20b! :)
Back to basics 23 - Triangular matrix
Rotate and display numbered tile
Multiply a column by a row
Convert matrix to 3D array of triangular matrices
Evened up (or not)
Make a KITT-scanner on the command line
Power supply: 230V to 115V
Order of things - 3
Wrap a vector, but insert NaN's at the wrap-positions.
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