it seems there's an erroneous test case. the second test case has this line in it: Assert(isequal(P,PBM(B,M))), but there's no P or PBM
Fixed, thanks for letting me know.
I couldn't think of a clever way, so I just mimicked how I do multiplication with paper and pencil. Duh.
Similar Triangles - find the height of the tree
Multiply a column by a row
Sum the elements in either diagonal of a square matrix
Sorted highest to lowest?
Given a number N, find the smallest prime P>N
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