Ekkehard W. Sachs

According to our database, Ekkehard W. Sachs authored at least 34 papers between 1986 and 2021.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2021

A generalized worst-case complexity analysis for non-monotone line searches.

Geovani Nunes Grapiglia, Ekkehard W. Sachs

Numer. Algorithms, 2021

2017

On the worst-case evaluation complexity of non-monotone line search algorithms.

Geovani Nunes Grapiglia, Ekkehard W. Sachs

Comput. Optim. Appl., 2017

2015

Superlinear Convergence of Krylov Subspace Methods for Self-Adjoint Problems in Hilbert Space.

Roland Herzog, Ekkehard W. Sachs

SIAM J. Numer. Anal., 2015

2013

Gradient Computation for Model Calibration with Pointwise Observations.

Ekkehard W. Sachs, Matthias Schu

Proceedings of the Control and Optimization with PDE Constraints, 2013

2012

Calibration of estimator-weights via semismooth Newton method.

Ralf T. Münnich, Ekkehard W. Sachs, Matthias Wagner

J. Glob. Optim., 2012

Parameter identification in financial market models with a feasible point SQP algorithm.

F. Gerlich, A. M. Giese, Jan H. Maruhn, Ekkehard W. Sachs

Comput. Optim. Appl., 2012

2010

Preconditioned Conjugate Gradient Method for Optimal Control Problems with Control and State Constraints.

Roland Herzog, Ekkehard W. Sachs

SIAM J. Matrix Anal. Appl., 2010

2009

Inexact Kleinman-Newton Method for Riccati Equations.

F. Feitzinger, T. Hylla, Ekkehard W. Sachs

SIAM J. Matrix Anal. Appl., 2009

Robust static hedging of barrier options in stochastic volatility models.

Jan H. Maruhn, Ekkehard W. Sachs

Math. Methods Oper. Res., 2009

Adjoint-based Monte Carlo calibration of financial market models.

Christoph Käbe, Jan H. Maruhn, Ekkehard W. Sachs

Finance Stochastics, 2009

2008

Mesh Independence of Kleinman--Newton Iterations for Riccati Equations in Hilbert Space.

John A. Burns, Ekkehard W. Sachs, Lizette Zietsman

SIAM J. Control. Optim., 2008

2006

Approximations and Mesh Independence for LQR Optimal Control.

John A. Burns, Ekkehard W. Sachs, Lizette Zietsman

Proceedings of the 45th IEEE Conference on Decision and Control, 2006

2002

Augmented Lagrange-SQP Methods with Lipschitz-Continuous Lagrange Multiplier Updates.

Ekkehard W. Sachs, Stefan Volkwein

SIAM J. Numer. Anal., 2002

Managing POD models by optimization methods.

Eyal Arian, Marco Fahl, Ekkehard W. Sachs

Proceedings of the 41st IEEE Conference on Decision and Control, 2002

2000

An Indefinite Preconditioner for KKT Systems Arising in Optimal Control Problems

A. Battermann, Ekkehard W. Sachs

Universität Trier, Mathematik/Informatik, Forschungsbericht, 2000

A Lagrangian Method for Solving the Optimal Output Feedback Design Problem

El-Sayed M. E. Mostafa, Ekkehard W. Sachs

Universität Trier, Mathematik/Informatik, Forschungsbericht, 2000

Optimal Control of the Sterilization of Prepackaged Food.

D. Kleis, Ekkehard W. Sachs

SIAM J. Optim., 2000

Semidefinite Programming Techniques for Reduced Order Systems with Guaranteed Stability Margins.

Belinda B. King, Ekkehard W. Sachs

Comput. Optim. Appl., 2000

1999

Approximation of the Newton Step by a Defect Correction Process

Eyal Arian, A. Battermann, Ekkehard W. Sachs

Universität Trier, Mathematik/Informatik, Forschungsbericht, 1999

A Trust Region Method for Parabolic Boundary Control Problems.

Carl T. Kelley, Ekkehard W. Sachs

SIAM J. Optim., 1999

1996

Inexact SQP Interior Point Methods and Large Scale Optimal Control Problems

Friedemann Leibfritz, Ekkehard W. Sachs

Universität Trier, Mathematik/Informatik, Forschungsbericht, 1996

1995

Global Convergence of Inexact Reduced SQP Methods

Heidi Jäger, Ekkehard W. Sachs

Universität Trier, Mathematik/Informatik, Forschungsbericht, 1995

Convergence Rate of the Augmented Lagrangian SQP Method

D. Kleis, Ekkehard W. Sachs

Universität Trier, Mathematik/Informatik, Forschungsbericht, 1995

Computational Design of Optimal Output Feedback Controllers

Tankred Rautert, Ekkehard W. Sachs

Universität Trier, Mathematik/Informatik, Forschungsbericht, 1995

Local Convergence of the Symmetric Rank-One Iteration

C. T. Kelley, Ekkehard W. Sachs

Universität Trier, Mathematik/Informatik, Forschungsbericht, 1995

Local Convergence of SQP Methods in Semi-Infinite Programming.

Günther Gramlich, Rainer Hettich, Ekkehard W. Sachs

SIAM J. Optim., 1995

Inexact primal-dual interior point iteration for linear programs in function spaces.

S. Ito, Carl T. Kelley, Ekkehard W. Sachs

Comput. Optim. Appl., 1995

1994

Multilevel Algorithms for Constrained Compact Fixed Point Problems.

C. T. Kelley, Ekkehard W. Sachs

SIAM J. Sci. Comput., 1994

1993

Pointwise Broyden Methods.

Carl T. Kelley, Ekkehard W. Sachs

SIAM J. Optim., 1993

1992

Numerical solution of a nonlinear parabolic control problem by a reduced SQP method.

F.-S. Kupfer, Ekkehard W. Sachs

Comput. Optim. Appl., 1992

1991

Fast Algorithms for Compact Fixed Point Problems with Inexact Function Evaluations.

Carl T. Kelley, Ekkehard W. Sachs

SIAM J. Sci. Comput., 1991

A New Proof of Superlinear Convergence for Broyden's Method in Hilbert Space.

Carl T. Kelley, Ekkehard W. Sachs

SIAM J. Optim., 1991

1990

Approximate Quasi-Newton Methods.

C. T. Kelley, Ekkehard W. Sachs

Math. Program., 1990

1986

Broyden's method in Hilbert space.

Ekkehard W. Sachs

Math. Program., 1986