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Superconvergence analysis of a two-grid finite element method for nonlinear time-fractional diffusion equations.
Qiling Gu
Yanping Chen
Yunqing Huang
Published in:
Comput. Appl. Math. (2022)
Keyphrases
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diffusion equation
finite element method
image analysis
anisotropic diffusion
finite difference
image processing
markov chain
partial differential equations
boundary conditions
numerical solution
feature space
higher order
edge detection
diffusion process