Write a function to find the 5th root of a number.
It sounds easy, but the typical functions are not allowed (see the test suite), so you'll need to find a non-standard method to solve the problem.
Make a checkerboard matrix
Omit columns averages from a matrix
Angle between two vectors
Maximum value in a matrix
Compare two input matrices
Stress-Strain Relationship 1
Lights Out 23 - 6x8, x moves
Rule of mixtures (composites) - either bound
Lights Out 13 - 5x5, three stages, x moves
Lights Out 22 - 3x4, x moves
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