A new error estimate for a fully finite element discretization scheme for parabolic equations using Crank-Nicolson method. (Q2925945)

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scientific article; zbMATH DE number 6362246
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A new error estimate for a fully finite element discretization scheme for parabolic equations using Crank-Nicolson method.
scientific article; zbMATH DE number 6362246

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    29 October 2014
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    heat equation
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    finite element method
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    Crank-Nicolson method
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    a priori error estimate
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    semidiscretization
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    A new error estimate for a fully finite element discretization scheme for parabolic equations using Crank-Nicolson method. (English)
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    The paper deals with the numerical solution of the heat equation with the aid of the finite element method for the space semi-discretization and the Crank-Nicolson scheme for the time discretization. The authors derive a priori error estimates in the discrete \(W^{1,\infty}(0,T; L^2(\Omega))\)-norm and in the discrete \(L^{\infty}(0,T; H^1_0(\Omega))\)-seminorm. The estimates are optimal with respect to the space as well as time coordinates.
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