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A Multilevel Cholesky Conjugate Gradients Hybrid Solver for Linear Systems with Multiple Right-hand Sides

✍ Scribed by Joshua Dennis Booth; Anirban Chatterjee; Padma Raghavan; Michael Frasca


Book ID
118492745
Publisher
Elsevier
Year
2011
Tongue
English
Weight
614 KB
Volume
4
Category
Article
ISSN
1877-0509

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s) Block IDR(s) a b s t r a c t The IDR(s) based on the induced dimension reduction (IDR) theorem, is a new class of efficient algorithms for large nonsymmetric linear systems. IDR(1) is mathematically equivalent to BiCGStab at the even IDR(1) residuals, and IDR(s) with s > 1 is competitive with mos