when the variable is a struct it is unclear whether "preserving the data type" should preserve the field names or not (testsuite expects the latter)
Structure field names are not required to be preserved.
Make a checkerboard matrix
Project Euler: Problem 7, Nth prime
Column norms of a matrix
Replace multiples of 5 with NaN
Sum the entries of each column of a matrix which satisfy a logical condition.
Compute the cokurtosis of a given portfolio.
From a given cell array of strings, extract the non-unique strings.
Replace all zeros and NaNs in a matrix with the string 'error'
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