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.
How to find the position of an element in a vector without using the find function
Better bullseye matrix
Back to basics 13 - Input variables
Back to basics 21 - Matrix replicating
Rotate and display numbered tile
Free Fall analytical solution (Chapra 2012 textbook Example 1.1)
Steepest Descent Method
Rosenbrock's Banana Function and its derivatives
Fletcher-Reeves Conjugate Gradient Method
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