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.
Remove NaN ?
Number of digits in an integer
Simple equation: Annual salary
Create incrementing array
Compare two input matrices
Composite Trapezoidal Rule for Numeric Integration
Sequential Unconstrained Minimization (SUMT) using Exterior Penalty
Bisection method of finding a root.
Free Fall analytical solution (Chapra 2012 textbook Example 1.1)
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