From a usability point of view, returning a string to indicate nothing found is probably the worst. an empty value or 0 would be much better.
Guillaume, I would say that that depends upon the intended 'audience' for the output.
Program an exclusive OR operation with logical operators
Generate N equally spaced intervals between -L and L
find the maximum element of the matrix
02 - Vector Variables 4
Matlab Basics II - Minimum
Matlab Basics - Switching Assignments
Matlab Basics II - Extract last 3 elements of a vector
Matlab Basics - Convert a row vector to a column vector
Matlab Basics - Rounding II
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