Convergence results for some piecewise linear solvers

12/04/2020

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by   Manuel Radons, et al.

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Let A be a real n× n matrix and z,b∈ℝ^n. The piecewise linear equation system z-A| z| = b is called an absolute value equation. We consider two solvers for this problem, one direct, one semi-iterative, and extend their previously known ranges of convergence.