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- W4295150940 abstract "We consider a time fractional differential equation of order $alpha$, $0<alpha<1$, $$ frac{partial c(x,t)}{partial t}={}^C_0mathcal{D}_t^{alpha}[(Ac)(x,t)]+q(x,t) ,quad x > 0, t > 0, quad c(x,0)=f(x). $$ where ${}^C_0mathcal{D}_t^{alpha}$ is the Caputo fractional derivative of order $alpha$, $A$ is a linear differential operator, $q(x,t)$ is a source term, and $f(x)$ is the inital condition. Approximate (truncated) series solutions are obtained by means of the Variational Iteration Method (VIM). We find the series solutions for different cases of the source term, in a form that is readily implementable on the computer where symbolic computation platform is available. The error in truncated solution $c_n$ diminishes exponentially fast for a given $alpha$ as the number of terms in the series increases. VIM has several advantages over other methods that produce solutions in the series form. The truncated VIM solutions often converge rapidly requiring only a few terms for fast and accurate approximations." @default.
- W4295150940 created "2022-09-11" @default.
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- W4295150940 date "2014-07-31" @default.
- W4295150940 modified "2023-09-26" @default.
- W4295150940 title "Approximate solutions of a time-fractional diffusion equation with a source term using the variational iteration method" @default.
- W4295150940 doi "https://doi.org/10.48550/arxiv.1408.2783" @default.
- W4295150940 hasPublicationYear "2014" @default.
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