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Published January 1965 | Published
Journal Article Open

The Solution of Elliptic Difference Equations by Semi-Explicit Iterative Techniques

Gunn, James E.

Abstract

In [8], the author discusses an iterative scheme for solving a difference analogue for the elliptic differential equation ∇•α∇u = f on two-dimensional rectangular regions with Dirichlet boundary conditions. It is shown there that a semi-explicit technique involving the inversion only of the Peaceman-Rachford [10] alternating-direction operators for the Laplacian gives convergence in O(h^(-2) log h^(-1)) operations.

Additional Information

© 1965 Society for Industrial and Applied Mathematics. Received by the editors January 6, 1964, and in revised form August 24, 1964. Published online: 03 August 2006. The author wishes to express thanks to D. N. Turner, who prepared the experimental programs and conducted most of the experiments.

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August 19, 2023
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