Need a better test suite to prevent cheesy solutions like this one. :-) Some N>10 values in there would help. N>50 would be even better.
Remove NaN ?
Rotate a Matrix
Generate a random matrix A of (1,-1)
Generate a NaN...on purpose
Solving Quadratic Equations (Version 1)
Make a rainbow matrix (follow-up to checkerboard matrix)
Number of paths on a 3d grid
Under the sea: Snell's law & total internal reflection
Number of paths on a n-dimensional grid
Smallest n, for n! to have m trailing zero digits
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