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math.NA2016
An Elementary method of Deriving A Posteriori Error Equalities and Estimates for Linear Partial Differential Equations
Immanuel Anjam, Dirk Pauly
In this paper we present a simple method of deriving a posteriori error equalities and estimates for linear elliptic and parabolic partial differential equations. The error is meas…
math.NA2016
Functional A Posteriori Error Control for Conforming Mixed Approximations of the Reaction-Convection-Diffusion Problem
Immanuel Anjam
In this paper we show how to obtain the exact value of the global error of a conforming mixed approximation of the reaction-convection-diffusion problem. We operate in the framewor…