کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6423140 1341248 2011 14 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A new family of global methods for linear systems with multiple right-hand sides
موضوعات مرتبط
مهندسی و علوم پایه ریاضیات ریاضیات کاربردی
پیش نمایش صفحه اول مقاله
A new family of global methods for linear systems with multiple right-hand sides
چکیده انگلیسی

The global bi-conjugate gradient (Gl-BCG) method is an attractive matrix Krylov subspace method for solving nonsymmetric linear systems with multiple right-hand sides, but it often show irregular convergence behavior in many applications. In this paper, we present a new family of global A-biorthogonal methods by using short two-term recurrences and formal orthogonal polynomials, which contain the global bi-conjugate residual (Gl-BCR) algorithm and its improved version. Finally, numerical experiments illustrate that the proposed methods are highly competitive and often superior to originals.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Computational and Applied Mathematics - Volume 236, Issue 6, 15 October 2011, Pages 1562-1575
نویسندگان
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