Please improve the test suite. There are two glaring problems. First, there is only one test case—it is recommended that at least three be provided, though more are often necessary to prevent hard-coded workarounds. Second, do not provide the solution in the test case(s). For such a problem, the answer should be calculated beforehand and provided as a predefined number to hide the solution. Furthermore, candidate functions can be checked against the solution using an adequate error bound (perhaps within 1E-3) rather than isequal().
Back to basics 12 - Input Arguments
Remove the positive integers.
Matlab Basics II - Log and natural log
Basic commands - rounding
Replace 0 indices in array with 1's
Simple Vector Addition
Simple String Concatenation
Find the mean of two vectors
Matrix element wise multiplication
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