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.
Summing Digits within Text
Back to basics 2 - Function Path
Stuff the Board
Rotate input square matrix 90 degrees CCW without rot90
kmph to mps
Sequential Unconstrained Minimization (SUMT) using Interior Penalty
Bisection method of finding a root.
False position (linear interpolation) method of finding a root.
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