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- W3179669931 abstract "Abstract In this paper we present general-purpose preconditioners for regularized augmented systems, and their corresponding normal equations, arising from optimization problems. We discuss positive definite preconditioners, suitable for CG and MINRES. We consider “sparsifications which avoid situations in which eigenvalues of the preconditioned matrix may become complex. Special attention is given to systems arising from the application of regularized interior point methods to linear or nonlinear convex programming problems." @default.
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- W3179669931 date "2022-11-14" @default.
- W3179669931 modified "2023-10-17" @default.
- W3179669931 title "General-purpose preconditioning for regularized interior point methods" @default.
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- W3179669931 doi "https://doi.org/10.1007/s10589-022-00424-5" @default.
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