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Numerical solutions to boundary value problem for anomalous diffusion equation with Riesz-Feller fractional operator

机译:异常扩散边值问题的数值解   与Riesz-Feller分数算子的等式

摘要

In this paper, we present a numerical solution to an ordinary differentialequation of a fractional order in one-dimensional space. The solution to thisequation can describe a steady state of the process of anomalous diffusion. Theprocess arises from interactions within complex and non-homogeneous background.We present a numerical method which is based on the finite differences method.We consider a boundary value problem (Dirichlet conditions) for an equationwith the Riesz-Feller fractional derivative. In the final part of this paper,same simulation results are shown. We present an example of non-lineartemperature profiles in nanotubes which can be approximated by a solution tothe fractional differential equation.
机译:在本文中,我们提出了一维空间中分数阶普通微分方程的数值解。该方程的解可以描述异常扩散过程的稳态。该过程是由复杂和非均匀背景下的相互作用引起的。我们提出了一种基于有限差分法的数值方法。我们考虑了具有Riesz-Feller分数阶导数的方程的边值问题(Dirichlet条件)。在本文的最后部分,显示了相同的仿真结果。我们提供了一个纳米管中非线性温度曲线的例子,可以通过分数微分方程的解来近似。

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