A globally convergent parallel algorithm for zeros of polynomial systems
Non-Linear Analysis
Algorithm 652: HOMPACK: a suite of codes for globally convergent homotopy algorithms
ACM Transactions on Mathematical Software (TOMS)
Algorithm 777: HOMPACK90: a suite of Fortran 90 codes for globally convergent homotopy algorithms
ACM Transactions on Mathematical Software (TOMS)
Algorithm 795: PHCpack: a general-purpose solver for polynomial systems by homotopy continuation
ACM Transactions on Mathematical Software (TOMS)
ACM Transactions on Mathematical Software (TOMS)
ACM Transactions on Mathematical Software (TOMS)
Sweeping algebraic curves for singular solutions
Journal of Computational and Applied Mathematics
Lipschitz condition for finding real roots of a vector function
Journal of Computational Methods in Sciences and Engineering
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Homotopy algorithms to solve a nonlinear system of equations f(x) = 0 involve tracking the zero curve of a homotopy map p(a, &lgr;, x) from &lgr; = 0 until &lgr; = 1. When the algorithm nears or crosses the hyperplane &lgr; = 1, an “end game” phase is begun to compute the solution x¯ satisfying p(a, &lgr;, x¯) = f(x¯) = 0. This note compares several end game strategies, including the one implemented in the normal flow code FIXPNF in the homotopy software package HOMPACK.