x is a vector of unknown length
your function should return the index of the first element in the vector that is greater than 6. If all elements in x are less than 6, the function should return 'none'
example: x = [1 2 7 2 3 2 4 8 6]
output = 3
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.
Remove any row in which a NaN appears
Number of digits in an integer
Let's get back to school, and create multiplication tables
Matlab Basics - Set unwanted parts of a vector to zero
Matlab Basics - Rounding III
Matlab Basics - Switching Assignments
Matlab Basics II - Operations and Matrix Dimensions
Replace every 3rd element in a vector with 4
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