Does "All the data still" mean, that the fields are not re-ordered? A lot of the solutions change the order of the fields.
Currently, Matlab has the function renameStructField.
When I run the test suite on my computer, this solution works. It passes the test suite.
This fails, if the fieldname to be replaced appears as part of another fieldname. Example: S.ab=1; S.a=2; renamefield(S, 'a', 'c')
Extract leading non-zero digit
Alphabetize by last name
Change the sign of even index entries of the reversed vector
Derivative of polynomial
Fahrenheit to Celsius converter
Find the sum of all the numbers of the input vector
Make a checkerboard matrix
Which values occur exactly three times?
The Goldbach Conjecture
The Goldbach Conjecture, Part 2
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