Please improve the test suite. There is only one test case—three is a recommended minimum, though more may be necessary to completely and adequately test what is being asked.
Angle between two vectors
Find nearest prime number less than input number
Matlab Basics II - Minimum
Compute LOG(1+X) in natural log
MATLAB Basic: rounding II
Find the sum of the largest two elements in a vector
Matrix Ax=B problem
Sum two matrices
Find the index of the lowest number in a matrix
Matrix element wise multiplication
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