Mathematics – Numerical Analysis
Scientific paper
2012-01-05
Mathematics
Numerical Analysis
This paper has been withdrawn by the authors, due to the carelessness, we have submitted the wrong version of manuscript which
Scientific paper
In this paper, a fully discrete local discontinuous Galerkin (LDG) finite element method is considered for solving the time-fractional KdV-Burgers-Kuramoto (KBK) equation. The scheme is based on a finite difference method in time and local discontinuous Galerkin methods in space. We prove that our scheme is unconditional stable and $L^2$ error estimate for the linear case with the convergence rate $O(h^{k+1}+(\Delta t)^2+(\Delta t)^\frac{\alpha}{2}h^{k+1/2})$. Numerical examples are presented to show the efficiency and accuracy of our scheme.
He Yinnian
Wei Leilei
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