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 21 - Matrix replicating
Back to basics 24 - Symbolic variables
The sum of the numbers in the vector
Bisection method of finding a root.
Quasi-Newton Method for Unconstrained Minimization using BFGS Update
False position (linear interpolation) method of finding a root.
Partial pivoting for Gauss Elimination
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