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.
Select every other element of a vector
give nth decimal place of pi
Project Euler: Problem 4, Palindromic numbers
Sum the Digits of a Number
Sum the entries of each column of a matrix which satisfy a logical condition.
Compute the cokurtosis of a given portfolio.
Replace all zeros and NaNs in a matrix with the string 'error'
From a given cell array of strings, extract the non-unique strings.
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