Take a incoming vector, and replace 0's with ones
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.
Rotate input square matrix 90 degrees CCW without rot90
Sum the numbers on the main diagonal
Find the maxmum value of N*N Matrix
Sum two matrices
Find the sum of the largest two elements in a vector
Vector indexing: lower than mean
Check if inputted variable is a string or a number
Matrix Generation from Vector Multiplication
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