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
Times 2 - START HERE
Back to basics 25 - Valid variable names
Test if two numbers have the same digits
Output any real number that is neither positive nor negative
02 - Vector Variables 1
Matlab Basics - Logical Tests I
Matlab Basics II - Count rows in a matrix
Matlab Basics II - Find the roots of a function
Matlab Basics - Rounding III
Matlab Basics - Rounding I
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