if you're going to post trivial problems that have already been posted before, at least use a proper test suite.
and this one does not even require a solution
Determine if a Given Number is a Triangle Number
Create a Multiplication table matrix...
Output any real number that is neither positive nor negative
Integer or Float?
Find out total non zero element of matrix
Matlab Basics II - Max & Index of Max
Matlab Basics II - Extract last 3 elements of a vector
Matlab Basics - Pick out parts of a vector
Matlab Basics II - Intervals
Matlab Basics II - Operations and Matrix Dimensions
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