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Parabolic partial differential equations (PDEs) are fundamental in modelling a wide range of diffusion processes in physics, finance and engineering. The numerical approximation of these equations ...
Pour estimer l’erreur de différenciation numérique, vous pouvez utiliser deux méthodes : locale et globale. L’estimation de l’erreur locale compare la formule d’approximation à une ...
We present guaranteed, robust and computable a posteriori error estimates for nonconforming approximations of elliptic problems. Our analysis is based on a Helm ...
In the common-ray approximation of the coupling ray theory, the S-wave traveltimes in the coupling equations are approximated by the first-order perturbation expansion from the common reference ray.
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