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.
Check if sorted
Is A the inverse of B?
Who has power to do everything in this world?
Finding perimeter of a rectangle
Matlab Basics - Switching Assignments
Matlab Basics II - Unit Conversion
Matlab Basics II - Extract last 3 elements of a vector
Matlab Basics - Create a row vector
Matlab Basics II - Max & Index of Max
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