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().
Find the largest value in the 3D matrix
Determine Whether an array is empty
Find the nearest integer
Sum of odd numbers in a matrix
Vector indexing: lower than mean
Find the mean of two vectors
More Simple String Concatenation
Check if inputted variable is a string or a number
Matrix Max Finder
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