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Approximation of the Heaviside function by sigmoidal functions in reaction-diffusion equations.
Wenlong Sun
Xiaoying Han
Peter E. Kloeden
Published in:
Commun. Nonlinear Sci. Numer. Simul. (2024)
Keyphrases
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linear functions
diffusion equation
continuous functions
scale space
convex functions
anisotropic diffusion
diffusion process
nonlinear diffusion
laplacian operator
partial differential equations
reaction diffusion
pattern formation
digital images
higher order
high order