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.
Find all elements less than 0 or greater than 10 and replace them with NaN
Back to basics 25 - Valid variable names
Set the array elements whose value is 13 to 0
03 - Matrix Variables 4
Matlab Basics II - Log and natural log
Matlab Basics - Pick out parts of a vector
Matlab Basics II - Operations and Matrix Dimensions
Matlab Basics II - squares
Matlab Basics II - 3 Dimensional Arrays
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
You can also select a web site from the following list:
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.
Contact your local office