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Local ultraconvergence of high order finite element method by interpolation postprocessing technique for elliptic problems with constant coefficients.
Wenming He
Xiong Liu
Jin Xiao
Published in:
Comput. Math. Appl. (2020)
Keyphrases
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high order
post processing
finite element method
numerical methods
preprocessing
higher order
boundary value problem
finite element
low order
pairwise
partial differential equations
computer vision
boundary conditions
image reconstruction
reconstructed image