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Efficient Discrete Lagrange Multipliers in three first-order finite element discretizations for the A Posteriori Error Control in an Obstacle Problem.
Carsten Carstensen
Karoline Köhler
Published in:
SIAM J. Numer. Anal. (2017)
Keyphrases
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finite element
lagrange multipliers
error control
constrained optimization
cost function
lagrangian method
higher order
linear program
error correction
error concealment
objective function
computational complexity