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.
Longest Divisor Run
Determine if a Given Number is a Triangle Number
Project Euler: Problem 10, Sum of Primes
05 - Vector Equations 1
Fletcher-Reeves Conjugate Gradient Method
Augmented Lagrange Multiplier (ALM) Method
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