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.
Are you in or are you out?
letter yes yes & letter no no
Whether the input is vector?
Return area of square
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Basic electricity in a dry situation
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