Make a square matrix with this shape. For n=4
1 1 0 0
1 0 1 0
0 1 0 1
0 0 1 1
Find all elements less than 0 or greater than 10 and replace them with NaN
Implement simple rotation cypher
Length of a short side
Check that number is whole number
Altitude of locations on the earth
Derivative of polynomial
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