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- W3036048467 abstract "In this paper, we are concerned with finding numerical solutions to the class of time-space fractional partial differential equations: Dtpu(t,x)+κDxpu(t,x)+τu(t,x)=g(t,x),1<p<2,(t,x)∈[0,1]×[0,1], under the initial conditions. u(0,x)=θ(x),ut(0,x)=ϕ(x), and the mixed boundary conditions. u(t,0)=ux(t,0)=0, where Dtp is the arbitrary derivative in Caputo sense of order p corresponding to the variable time t. Further, Dxp is the arbitrary derivative in Caputo sense with order p corresponding to the variable space x. Using shifted Jacobin polynomial basis and via some operational matrices of fractional order integration and differentiation, the considered problem is reduced to solve a system of linear equations. The used method doesn't need discretization. A test problem is presented in order to validate the method. Moreover, it is shown by some numerical tests that the suggested method is stable with respect to a small perturbation of the source data g(t,x) . Further the exact and numerical solutions are compared via 3D graphs which shows that both the solutions coincides very well." @default.
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- W3036048467 date "2020-09-01" @default.
- W3036048467 modified "2023-09-26" @default.
- W3036048467 title "Stable numerical results to a class of time-space fractional partial differential equations via spectral method" @default.
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- W3036048467 doi "https://doi.org/10.1016/j.jare.2020.05.022" @default.
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