J-G, thanks for the problem. Could you add some more information about expected inputs and outputs? An example and some more tests would be helpful too. If your test suite has exactly one test, it's trivial to write a correct answer.
Find the sum of all the numbers of the input vector
Saving MATLAB session to a file
Rounding off numbers to n decimals
Find maximum value of a curve
Wayfinding 1 - crossing
Order of things - 4
Only once: cleaning up your columns
Create incremental spiral WITHOUT USING EVAL or FEVAL
Wrap a vector, but insert NaN's at the wrap-positions.
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