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.
Insert zeros into vector
Saving MATLAB session to a file
Evaluating a polynomial
Order of things - 1
Wrap a vector, but insert NaN's at the wrap-positions.
Wayfinding 2 - traversing
Create incremental spiral WITHOUT USING EVAL or FEVAL
Wayfinding 3 - passed areas
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