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.
Project Euler: Problem 6, Natural numbers, squares and sums.
Remove element(s) from cell array
Area of a triangle
Multiply by 3
Legend of Zelda - Rupee Count (Item Purchase)
Scrabble Scores - 9
Divisible by n, Composite Divisors
Scrabble Scores - 2
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