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
Find the sum of all the numbers of the input vector
Find the largest value in the 3D matrix
Return elements unique to either input
Multiply by 3
Compute LOG(1+X) in natural log
Matlab Basics II - Create a vector with a repeated entry
Matlab Basics II - Determine if an array has a 3rd dimension
Matlab Basics II - Find the roots of a function
Matlab Basics II - Minimum
Matlab Basics - Create a row vector
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