Block GCRO-DR: A version of the recycled GMRES method using block Krylov subspaces and harmonic Ritz vectors

Michael L. Parks; Kirk M. Soodhalter; Daniel B. Szyld;
  • Publisher: Figshare
  • Related identifiers: doi: 10.5281/zenodo.48836
  • Subject: Krylov subspace methods | block methods | iterative methods | subspace recycling | gmres | zenodo | augmented methods | Uncategorized

<p>We propose a block Krylov subspace version of the GCRO-DR method proposed in [Parks et al. SISC 2005], which is an iterative method allowing for the efficient minimization of the the residual over an augmented block Krylov subspace. We offer a clean derivation of the... View more
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