Mostrando 10 resultados de: 13
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Publisher
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)(2)
Numerische Mathematik(2)
Afrika Matematika(1)
Applicable Analysis(1)
Applied Numerical Mathematics(1)
Área temáticas
Análisis(5)
Programación informática, programas, datos, seguridad(4)
Ciencias de la computación(3)
Análisis numérico(2)
Matemáticas(2)
Origen
scopus(13)
An algorithm for pointwise evaluation of polyconvex envelopes II: generalization and numerical results
ArticleAbstract: In the first part of this paper (Afrika Matematika 1–24, 2011) we introduced a method for computingPalabras claves:Alternating procedure, Convergence proof, Energy densities, Numerical results, Tangent plane criterionAutores:Andreas Griewank, Bosse T., Eneya L.Fuentes:scopusApplication of AD-based Quasi-Newton Methods to Stiff ODEs
ArticleAbstract: Systems of stiff ordinary differential equations (ODEs) can be integrated properly only by implicitPalabras claves:Adjoint-based update, ADOL-C, Quasi-Newton, Scaling invariance, Stiff ODEAutores:Andreas Griewank, Schlenkrich S., Walther A.Fuentes:scopusEfficient accurate numerical treatment of the modified Burgers' equation
ArticleAbstract: In this article, we propose a non-polynomial spline-based method to obtain numerical solutions of thPalabras claves:accuracy, Non-linear modified Burgers' equation, Non-polynomial spline, Von Neumann stabilityAutores:Andreas Griewank, El-Danaf T.S.Fuentes:scopusEfficient evaluation of Sparse Jacobians by matrix compression part II: Implementation and experiments
ArticleAbstract: The accurate and efficient calculations of Jacobians matrices at a sequence of arguments is a key inPalabras claves:Algorithmic differentiation, Graph coloring, Matrix compression, Traveling salesmanAutores:Andreas Griewank, Strogies N.Fuentes:scopusMultiple vector-Jacobian products are cheap
ArticleAbstract: A study is carried out to examine what statements can be made about the relative costs of obtainingPalabras claves:Autores:Andreas Griewank, Best A., Walther A.Fuentes:scopusHigh-order stiff ODE solvers via automatic differentiation and rational pbkp_rediction
Conference ObjectAbstract: A class of higher order methods is investigated which can be viewed as implicit Taylor series methodPalabras claves:Autores:Andreas Griewank, Corliss G.F., Henneberger P., Kirlinger G., Potra F.A., Stetter H.J.Fuentes:scopusOn the efficient generation of taylor expansions for DAE solutions by automatic differentiation
Conference ObjectAbstract: Under certain conditions the signature method suggested by Pantiledes and Pryce facilitates the locaPalabras claves:Autores:Andreas Griewank, Walther A.Fuentes:scopusOn the efficient update of rectangular LU-factorizations subject to low rank modifications
ArticleAbstract: In this paper we introduce a new method for the computation of KKT matrices that arise from solvingPalabras claves:KKT-system, Low-rank modification, LU-factorization, Quasi-Newton methodAutores:Andreas Griewank, Bollhöfer M., Stange P.Fuentes:scopusOn the local convergence of adjoint Broyden methods
ArticleAbstract: The numerical solution of nonlinear equation systems is often achieved by so-called quasi-Newton metPalabras claves:Adjoint based update, Automatic differentiation, nonlinear equations, Quasi-Newton methodsAutores:Andreas Griewank, Schlenkrich S., Walther A.Fuentes:scopusOn the numerical stability of algorithmic differentiation
Conference ObjectAbstract: In contrast to integration, the differentiation of a function is an ill-conditioned process, if onlyPalabras claves:Automatic differentiation, Forward-backward stability, IEEE arithmetic, Rounding error estimates, Ultimate roundingAutores:Andreas Griewank, Kulshreshtha K., Walther A.Fuentes:scopus