A new construction of the block systems B(4,1,25) and B(4,1, 28)
B. Rokowska (1977)
Colloquium Mathematicae
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Displaying similar documents to “A new block triangular preconditioner for three-by-three block saddle-point problem”
A new construction of the block systems B(4,1,25) and B(4,1, 28)
Joint domain-decomposition -LU preconditioners for saddle point problems.
Le Borne, Sabine, Oliveira, Suely (2007)
ETNA. Electronic Transactions on Numerical Analysis [electronic only]
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The construction of resolvable block-systems
B. Rokowska (1985)
Colloquium Mathematicae
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The estimates of diagonally dominant degree and eigenvalues inclusion regions for the Schur complement of block diagonally dominant matrices
Feng Wang, Deshu Sun (2015)
Open Mathematics
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The theory of Schur complement plays an important role in many fields, such as matrix theory and control theory. In this paper, applying the properties of Schur complement, some new estimates of diagonally dominant degree on the Schur complement of I(II)-block strictly diagonally dominant matrices and I(II)-block strictly doubly diagonally dominant matrices are obtained, which improve some relative results in Liu [Linear Algebra Appl. 435(2011) 3085-3100]. As an application, we present...
Block triangular preconditioners for -matrices and Markov chains.
Benzi, Michele, Uçar, Bora (2007)
ETNA. Electronic Transactions on Numerical Analysis [electronic only]
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Convergence of block iterative methods for linear systems arising in the numerical solution of Euler equations.
L. Elsner, Volker Mehrmann (1991)
Numerische Mathematik
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Block approximate inverse preconditioners for sparse nonsymmetric linear systems.
Cerdán, J., Faraj, T., Malla, N., Marín, J., Mas, J. (2010)
ETNA. Electronic Transactions on Numerical Analysis [electronic only]
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On parallel two-stage methods for Hermitian positive definite matrices with applications to preconditioning.
Castel, Jesús M., Migallón, Violeta, Penadés, José (2001)
ETNA. Electronic Transactions on Numerical Analysis [electronic only]
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Explicit forms of block matrices in unbalanced cross classification
H. Mikos (1979)
Applicationes Mathematicae
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On a class of matrices which arise in the numerical solution of Euler equations.
Reinhard Nabben (1992)
Numerische Mathematik
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Modified block-approximate factorization strategies.
Monga-Made Magolu (1992)
Numerische Mathematik
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On preconditioning Schur complement and Schur complement preconditioning.
Zhang, Jun (2000)
ETNA. Electronic Transactions on Numerical Analysis [electronic only]
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A generalization of the diagonal theorem on a block-matrix
E. Pap (1974)
Matematički Vesnik
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