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.
Getting the absolute index from a matrix
Replace multiples of 5 with NaN
Add two numbers
Create an index-powered vector
Sum of the Matrix Elements
Composite Trapezoidal Rule for Numeric Integration
Quasi-Newton Method for Unconstrained Minimization using BFGS Update
Forward Elimination for Gauss Elimination
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