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.
Determine whether a vector is monotonically increasing
Getting the indices from a vector
Create matrix of replicated elements
Celsius to Kelvin
Write a code that will follow the equation y = x * (x + x) * x.
Matlab Basics II - Find the roots of a function
Matlab Basics II - Velocity of a particle
Matlab Basics II - 3 Dimensional Arrays
Matlab Basics - Absolute Value
Matlab Basics - Switching Assignments
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