Write a function to implement partial pivoting for Gauss elimination, given the pivot element.
Sorry but I don't understand the test suite.
Find relatively common elements in matrix rows
Permute diagonal and antidiagonal
Make a 1 hot vector
Fletcher-Reeves Conjugate Gradient Method
Quasi-Newton Method for Unconstrained Minimization using BFGS Update
Augmented Lagrange Multiplier (ALM) Method
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