Implicit difference schemes for fractional diffusion equations
Implicit difference schemes for fractional diffusion equations
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发表时间:
2013
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通讯作者:
Lin Chang-pin
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作者:
Lin Chang-pin
Three kinds of implicit difference schemes for fractional diffusion equations are derived by using the shifted Griinwald method.Two of these schemes for the subdiffusion equation are unconditionally stable by using von Neumann stability analysis,and another for the superdiffusion equation is conditionally stable via the same method.Two numerical examples are provided to demonstrate the efficiency of the schemes.