Thanks for the nice problem! It is refreshing!
Replace NaNs with the number that appears to its left in the row.
Project Euler: Problem 6, Natural numbers, squares and sums.
Find the largest value in the 3D matrix
Count up then down
Switch matrix to a column vector
Hexagonal Tiling Dots in a Circle
Chebyshev polynomials of the 1st Kind
Generalized Laguerre polynomials
Volume of a Simplex
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