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- W2015157035 abstract "Parabolic partial differential equations with nonlocal boundary specifications feature in the mathematical modeling of many phenomena. In this paper, numerical schemes are developed for obtaining approximate solutions to the initial boundary value problem for one-dimensional diffusion equation with a nonlocal constraint in place of one of the standard boundary conditions. The method of lines (MOL) semidiscretization approach is used to transform the model partial differential equation into a system of first-order linear ordinary differential equations (ODEs). The partial derivative with respect to the space variable is approximated by a second-order finite-difference approximation. The solution of the resulting system of first-order ODEs satisfies a recurrence relation which involves a matrix exponential function. Numerical techniques are developed by approximating the exponential matrix function in this recurrence relation. We use a partial fraction expansion to compute the matrix exponential function via Pade approximations, which is particularly useful in parallel processing. The algorithm is tested on a model problem from the literature." @default.
- W2015157035 created "2016-06-24" @default.
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- W2015157035 date "2003-01-01" @default.
- W2015157035 modified "2023-09-27" @default.
- W2015157035 title "On the numerical solution of the diffusion equation with a nonlocal boundary condition" @default.
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- W2015157035 doi "https://doi.org/10.1155/s1024123x03111015" @default.
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