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On the Spectrum of Deflated Matrices with Applications to the Deflated Shifted Laplace Preconditioner for the Helmholtz Equation.
L. Garcia Ramos
Reinhard Nabben
Published in:
SIAM J. Matrix Anal. Appl. (2018)
Keyphrases
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singular value decomposition
edge preserving
differential equations
iterative methods
neural network
numerical methods
power spectrum
nonlinear equations
matrix completion
covariance matrices
numerical solution
linear algebra
projection matrices
kronecker product