预处理

IF 16.3 1区数学 Q1 MATHEMATICS

Acta Numerica Pub Date : 2015-04-27 DOI:10.1017/S0962492915000021

A. Wathen

引用次数: 162

摘要

问题的计算解可能受到线性(化)方程组解方法的可用性的限制。与迭代方法相结合，预处理通常是使这类系统在尺寸较大时能够求解的重要组成部分。我们试图对预处理方法进行广泛的回顾。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Preconditioning

The computational solution of problems can be restricted by the availability of solution methods for linear(ized) systems of equations. In conjunction with iterative methods, preconditioning is often the vital component in enabling the solution of such systems when the dimension is large. We attempt a broad review of preconditioning methods.

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来源期刊

Acta Numerica MATHEMATICS-

CiteScore

26.00

自引率

0.70%

发文量

期刊介绍： Acta Numerica stands as the preeminent mathematics journal, ranking highest in both Impact Factor and MCQ metrics. This annual journal features a collection of review articles that showcase survey papers authored by prominent researchers in numerical analysis, scientific computing, and computational mathematics. These papers deliver comprehensive overviews of recent advances, offering state-of-the-art techniques and analyses. Encompassing the entirety of numerical analysis, the articles are crafted in an accessible style, catering to researchers at all levels and serving as valuable teaching aids for advanced instruction. The broad subject areas covered include computational methods in linear algebra, optimization, ordinary and partial differential equations, approximation theory, stochastic analysis, nonlinear dynamical systems, as well as the application of computational techniques in science and engineering. Acta Numerica also delves into the mathematical theory underpinning numerical methods, making it a versatile and authoritative resource in the field of mathematics.