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Efficient spatial second-/fourth-order finite difference ADI methods for multi-dimensional variable-order time-fractional diffusion equations.
Hongfei Fu
Chen Zhu
Xueting Liang
Bingyin Zhang
Published in:
Adv. Comput. Math. (2021)
Keyphrases
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fourth order
finite difference
partial differential equations
diffusion equation
anisotropic diffusion
noise removal
finite element
nonlinear diffusion
coherence enhancing diffusion
feature space
level set
numerical methods
filtering method