Find the sum of the elements in the "second" diagonal
We love vectorized solutions. Problem 1 : remove the row average.
Magic is simple (for beginners)
Matrix to column conversion
Solving Quadratic Equations (Version 1)
Pentago: find winning move
Create an 8-color version of an image
Extra safe primes
Triangular matrices in 3D array
Convert RGB triplet to ColorSpec string
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