scholarly journals Quasi-Interpolation and A Posteriori Error Analysis in Finite Element Methods

1999 ◽  
Vol 33 (6) ◽  
pp. 1187-1202 ◽  
Author(s):  
Carsten Carstensen
Acta Numerica ◽  
2002 ◽  
Vol 11 ◽  
pp. 145-236 ◽  
Author(s):  
Michael B. Giles ◽  
Endre Süli

We give an overview of recent developments concerning the use of adjoint methods in two areas: the a posteriori error analysis of finite element methods for the numerical solution of partial differential equations where the quantity of interest is a functional of the solution, and superconvergent extraction of integral functionals by postprocessing.


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