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SIAMMAX
2010
156views more  SIAMMAX 2010»
14 years 6 months ago
Preconditioned Conjugate Gradient Method for Optimal Control Problems with Control and State Constraints
Optimality systems and their linearizations arising in optimal control of partial differential equations with pointwise control and (regularized) state constraints are considered. ...
Roland Herzog, Ekkehard W. Sachs
MMAS
2011
Springer
14 years 2 months ago
Sweeping Preconditioner for the Helmholtz Equation: Moving Perfectly Matched Layers
This paper introduces a new sweeping preconditioner for the iterative solution of the variable coefficient Helmholtz equation in two and three dimensions. The algorithms follow th...
Björn Engquist, Lexing Ying
AUTOMATICA
2007
75views more  AUTOMATICA 2007»
14 years 11 months ago
System theory for numerical analysis
Many numerical schemes can be suitably studied from a system theoretic point of view. This paper studies the relationship between the two disciplines, that is, numerical analysis ...
Kenji Kashima, Yutaka Yamamoto
CVPR
2000
IEEE
15 years 4 months ago
Geodesic Distance Evolution of Surfaces: A New Method for Matching Surfaces
The general problem of surface matching is taken up in this study. The process described in this work hinges on a geodesic distance equation for a family of surfaces embedded in t...
Hussein M. Yahia, Etienne G. Huot, Isabelle Herlin...
NA
2008
103views more  NA 2008»
14 years 11 months ago
Monotonic sequences related to zeros of Bessel functions
Abstract. In the course of their work on Salem numbers and uniform distribution modulo 1, A. Akiyama and Y. Tanigawa proved some inequalities concerning the values of the Bessel fu...
Lee Lorch, Martin E. Muldoon