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    SIAMSC
    2008
    87views more  SIAMSC 2008»
    Performance and Accuracy of LAPACK's Symmetric Tridiagonal Eigensolvers
    13 years 11 months ago
    Performance and Accuracy of LAPACK's Symmetric Tridiagonal Eigensolvers
    Download  www.netlib.org
    James Demmel, Osni Marques, Beresford N. Parlett, ...
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    SIAMSC
    2008
    188views more  SIAMSC 2008»
    Adaptivity with Dynamic Meshes for Space-Time Finite Element Discretizations of Parabolic Equations
    13 years 11 months ago
    Adaptivity with Dynamic Meshes for Space-Time Finite Element Discretizations of Parabolic Equations
    Download  www-m1.ma.tum.de
    In this paper, we develop an error estimator and an adaptive algorithm for efficient solution of parabolic partial differential equations. The error estimator assesses the discreti...
    Michael Schmich, Boris Vexler
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    SIAMSC
    2008
    148views more  SIAMSC 2008»
    Multilevel Adaptive Aggregation for Markov Chains, with Application to Web Ranking
    13 years 11 months ago
    Multilevel Adaptive Aggregation for Markov Chains, with Application to Web Ranking
    Download  amath.colorado.edu
    A multilevel adaptive aggregation method for calculating the stationary probability vector of an irreducible stochastic matrix is described. The method is a special case of the ada...
    Hans De Sterck, Thomas A. Manteuffel, Stephen F. M...
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    SIAMSC
    2008
    117views more  SIAMSC 2008»
    Adaptive, Fast, and Oblivious Convolution in Evolution Equations with Memory
    13 years 11 months ago
    Adaptive, Fast, and Oblivious Convolution in Evolution Equations with Memory
    Download  www.uam.es
    To approximate convolutions which occur in evolution equations with memory terms, a variable-stepsize algorithm is presented for which advancing N steps requires only O(N log N) op...
    María López-Fernández, Christ...
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    SIAMSC
    2008
    113views more  SIAMSC 2008»
    Limited Data X-Ray Tomography Using Nonlinear Evolution Equations
    13 years 11 months ago
    Limited Data X-Ray Tomography Using Nonlinear Evolution Equations
    Download  www.siltanen-research.net
    A novel approach to the X-ray tomography problem with sparse projection data is proposed. Non-negativity of the X-ray attenuation coefficient is enforced by modelling it as max{(x)...
    Ville Kolehmainen, Matti Lassas, Samuli Siltanen
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    SIAMSC
    2008
    113views more  SIAMSC 2008»
    An Efficient and Robust Method for Simulating Two-Phase Gel Dynamics
    13 years 11 months ago
    An Efficient and Robust Method for Simulating Two-Phase Gel Dynamics
    Download  www.math.ucdavis.edu
    We develop a computational method for simulating models of gel dynamics where the gel is described by two phases, a networked polymer and a fluid solvent. The models consist of tra...
    Grady B. Wright, Robert D. Guy, Aaron L. Fogelson
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    SIAMSC
    2008
    143views more  SIAMSC 2008»
    Numerical Valuation of European and American Options under Kou's Jump-Diffusion Model
    13 years 11 months ago
    Numerical Valuation of European and American Options under Kou's Jump-Diffusion Model
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    Numerical methods are developed for pricing European and American options under Kou's jump-diffusion model which assumes the price of the underlying asset to behave like a ge...
    Jari Toivanen
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    SIAMSC
    2008
    93views more  SIAMSC 2008»
    Stopping Criteria for Rational Matrix Functions of Hermitian and Symmetric Matrices
    13 years 11 months ago
    Stopping Criteria for Rational Matrix Functions of Hermitian and Symmetric Matrices
    Download  www-ai.math.uni-wuppertal.de
    Andreas Frommer, Valeria Simoncini
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    SIAMSC
    2008
    133views more  SIAMSC 2008»
    Numerical Variational Methods Applied to Cylinder Buckling
    13 years 11 months ago
    Numerical Variational Methods Applied to Cylinder Buckling
    Download  www.win.tue.nl
    We review and compare different computational variational methods applied to a system of fourth order equations that arises as a model of cylinder buckling. We describe both the di...
    Jirí Horák, Gabriel J. Lord, Mark A....
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    SIAMSC
    2008
    147views more  SIAMSC 2008»
    Global and Finite Termination of a Two-Phase Augmented Lagrangian Filter Method for General Quadratic Programs
    13 years 11 months ago
    Global and Finite Termination of a Two-Phase Augmented Lagrangian Filter Method for General Quadratic Programs
    Download  www.optimization-online.org
    We present a two-phase algorithm for solving large-scale quadratic programs (QPs). In the first phase, gradient-projection iterations approximately minimize an augmented Lagrangian...
    Michael P. Friedlander, Sven Leyffer
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