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.
Back and Forth Rows
Which values occur exactly three times?
Encode Roman Numerals
Create a random logical vector of N elements of which M are true.
Sum the entries of each column of a matrix which satisfy a logical condition.
From a given cell array of strings, extract the non-unique strings.
Compute the cokurtosis of a given portfolio.
Replace all zeros and NaNs in a matrix with the string 'error'
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