Change rows to columns and columns to rows, similar to transpose.
Result should be
(hint: use permute)
Distance walked 3D
Project Euler: Problem 5, Smallest multiple
Find the Nth Root of a Given Number
Sum the squares of numbers from 1 to n
Find the sum of n squares
Extract a specific part of matrix!
How to calculate log?
Solve the system of linear equations
Weighted moving average
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