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Matrices That Generate the Same Krylov Residual Spaces (Classic Reprint)

  • Couverture cartonnée
  • 42 Nombre de pages
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Texte du rabat Excerpt from Matrices That Generate the Same Krylov Residual SpacesIf the matrix A is normal, then h'(z) is one, an... Lire la suite
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Texte du rabat

Excerpt from Matrices That Generate the Same Krylov Residual Spaces

If the matrix A is normal, then h'(z) is one, and it was recently shown in several different ways that this bound is sharp; i.e., that for each Is, there is an initial vector (depending on k) for which equality holds in In many cases of interest. However. The matrix A is not normal and the factor in (7) may be quite large. (see. For instance. [13] for some interesting physical examples.) In such cases. The bound (7) may be a large overestimate of the actual residual.

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Informations sur le produit

Titre: Matrices That Generate the Same Krylov Residual Spaces (Classic Reprint)
Auteur:
Code EAN: 9781334017827
ISBN: 1334017824
Format: Couverture cartonnée
nombre de pages: 42
Poids: 72g
Taille: H229mm x B152mm x T2mm
Année: 2016

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