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A two-grid virtual element method for nonlinear variable-order time-fractional diffusion equation on polygonal meshes.
Qiling Gu
Yanping Chen
Jianwei Zhou
Yunqing Huang
Published in:
Int. J. Comput. Math. (2023)
Keyphrases
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preprocessing
diffusion equation
high order
finite difference
edge detection
post processing
segmentation method
steady state
gaussian kernel