Search Results for author: Armin Rund

Found 3 papers, 3 papers with code

Efficient high-resolution RF pulse design applied to simultaneous multi-slice excitation

1 code implementation24 Feb 2017 Christoph Aigner, Christian Clason, Armin Rund, Rudolf Stollberger

RF pulse design via optimal control is typically based on gradient and quasi-Newton approaches and therefore suffers from slow convergence.

Optimization and Control

A convex penalty for switching control of partial differential equations

1 code implementation24 Feb 2017 Christian Clason, Armin Rund, Karl Kunisch, Richard C. Barnard

A convex penalty for promoting switching controls for partial differential equations is introduced; such controls consist of an arbitrary number of components of which at most one should be simultaneously active.

Optimization and Control

Nonconvex penalization of switching control of partial differential equations

1 code implementation31 May 2016 Christian Clason, Armin Rund, Karl Kunisch

This paper is concerned with optimal control problems for parabolic partial differential equations with pointwise in time switching constraints on the control.

Optimization and Control

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