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Circulant-based approximate inverse preconditioners for a class of fractional diffusion equations.
Hong-Kui Pang
Hai-Hua Qin
Hai-Wei Sun
Ting-Ting Ma
Published in:
Comput. Math. Appl. (2021)
Keyphrases
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diffusion equation
iterative methods
anisotropic diffusion
pattern formation
higher order
scale space
least squares
structuring elements
edge preserving
noise removal