Single cell discretization of \(O(kh^2+h^4)\) for the estimates of \(\frac{\partial u}{\partial n}\) for two-space dimensional quasi-linear parabolic equation (Q2725055)

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scientific article; zbMATH DE number 1618698
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Single cell discretization of \(O(kh^2+h^4)\) for the estimates of \(\frac{\partial u}{\partial n}\) for two-space dimensional quasi-linear parabolic equation
scientific article; zbMATH DE number 1618698

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    16 September 2001
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    error bounds
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    quasi-linear parabolic equation
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    explicit difference methods
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    Single cell discretization of \(O(kh^2+h^4)\) for the estimates of \(\frac{\partial u}{\partial n}\) for two-space dimensional quasi-linear parabolic equation (English)
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    The authors develop new two-level explicit difference methods for two-space dimensional quasi-linear parabolic equation in the unit square. These methods have for the normal derivative of the solution an \(O(kh^2+h^4)\)-order of approximation and use a single computational cell. The proposed methods are applicable to the problem in both cartesian and polar planes.
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