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A fourth-order extrapolated compact difference method for time-fractional convection-reaction-diffusion equations with spatially variable coefficients.
Lei Ren
Yuan-Ming Wang
Published in:
Appl. Math. Comput. (2017)
Keyphrases
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fourth order
high order
noise removal
partial differential equations
anisotropic diffusion
diffusion equation
preprocessing
filtering method
pattern recognition
object recognition
pairwise
error rate
image denoising