error estimator | Sciweavers

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SIAMJO
2011

280views Software Engineering» more SIAMJO 2011»

Adaptive Multilevel Inexact SQP Methods for PDE-Constrained Optimization

13 years 6 months ago

We present a class of inexact adaptive multilevel trust-region SQP-methods for the eﬃcient solution of optimization problems governed by nonlinear partial diﬀerential equations...

J. Carsten Ziems, Stefan Ulbrich

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34

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ICDAR
2009
IEEE

117views Document Analysis» more ICDAR 2009»

Low Cost Correction of OCR Errors Using Learning in a Multi-Engine Environment

13 years 9 months ago

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We propose a low cost method for the correction of the output of OCR engines through the use of human labor. The method employs an error estimator neural network that learns to as...

Ahmad Abdulkader, Mathew R. Casey

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40

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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

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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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43

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COMPUTING
2008

87views more COMPUTING 2008»

Simple a posteriori error estimators for the h-version of the boundary element method

13 years 11 months ago

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The h-h/2-strategy is one very basic and well-known technique for the a posteriori error estimation for Galerkin discretizations of energy minimization problems. Let denote the e...

Samuel Ferraz-Leite, Dirk Praetorius

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