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A Difference Scheme and Its Error Analysis for a Poisson Equation with Nonlocal Boundary Conditions

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  • Chunsheng Feng
  • Cunyun Nie
  • Haiyuan Yu
  • Liping Zhou

Abstract

The elliptic problem with a nonlocal boundary condition is widely applied in the field of science and engineering, such as the chaotic system. Firstly, we construct one high-accuracy difference scheme for a kind of elliptic problem by tactfully introducing an equivalent relation for one nonlocal condition. Then, we obtain the local truncation error equation by the Taylor formula and, initially, prove that the new scheme can reach the asymptotic optimal error estimate in the maximum norm through ingeniously transforming a two-dimensional problem to a one-dimensional one through bringing in the discrete Fourier transformation. Numerical experiments demonstrate the correctness of theoretical results.

Suggested Citation

  • Chunsheng Feng & Cunyun Nie & Haiyuan Yu & Liping Zhou, 2020. "A Difference Scheme and Its Error Analysis for a Poisson Equation with Nonlocal Boundary Conditions," Complexity, Hindawi, vol. 2020, pages 1-7, September.
    • Handle: RePEc:hin:complx:6329404
    DOI: 10.1155/2020/6329404
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