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! :)
Reverse the vector
Magic is simple (for beginners)
Fix the last element of a cell array
Order of things - 3
Wayfinding 1 - crossing
Only once: cleaning up your columns
Order of things - 2
A SUBSREF variant that accepts the 'end'-operator.
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