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Symmetric Indefinite Preconditioners for Saddle Point Problems with Applications to PDE-Constrained Optimization Problems.
Joachim Schöberl
Walter Zulehner
Published in:
SIAM J. Matrix Anal. Appl. (2007)
Keyphrases
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constrained optimization problems
saddle point
penalty function
optimization problems
constrained optimization
image restoration
numerical methods
linear systems
neural network
objective function
special case
np hard
denoising
sensitivity analysis
test problems