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An explicit fourth-order energy-preserving difference scheme for the Riesz space-fractional Sine-Gordon equations.
Zhiyong Xing
Liping Wen
Wansheng Wang
Published in:
Math. Comput. Simul. (2021)
Keyphrases
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fourth order
noise removal
high order
numerical algorithms
partial differential equations
image interpolation
lower order
differential equations
objective function
nonlinear diffusion
noise reduction
anisotropic diffusion
numerical solution