Write a function to determine whether or not the matrix is a projector. Projector matrices are defined as P^2 = P.
test 8 is not a symmetric matrix, is it a projector matrix?
Sorry about that one. I've removed that test case. I don't know how long it will take for the re-scoring to propagate, though.
Back to basics 17 - white space
Stuff the Board
Getting the indices from a vector
Replace every 3rd element in a vector with 4
Divisible by 2
Scrabble Scores - 12
Divisible by 7
Temperature Conversion Utility
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