Use forward elimination to make the coefficient matrix, A, an upper triangular matrix, and then solve using back substitution, for a sample 2-by-2 system.
Back to basics 23 - Triangular matrix
Find the biggest empty box
How long is the longest prime diagonal?
Given a window, how many subsets of a vector sum positive
Make a 1 hot vector
Partial pivoting for Gauss Elimination
Free Fall analytical solution (Chapra 2012 textbook Example 1.1)
Steepest Descent Method
Augmented Lagrange Multiplier (ALM) Method
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