I think you have your W and H mixed up in your example and test suite.
Thanks James, I've fixed it now.
I also used round, but I not seen to be the best solution.
36.6/20.6==16/9 is false.
The values from the test suite are also inaccurate.
Sums with Excluded Digits
Convert from Base 10 to base 5
select the primes of a vector
Back to basics - mean of corner elements of a matrix
multiply by three
Great Circle Distance
First N Perfect Squares
Square Digits Number Chain Terminal Value (Inspired by Project Euler Problem 92)
Generalized N-Cards Problem
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