I had the same question and came across http://www.dealii.org/developer/doxygen/deal.II/classDataPostprocessor.html
I havent tried it yet, but it seems to be able to get gradients in the output file. praveen On Mon, Feb 28, 2011 at 12:59 PM, gaurav k <[email protected]> wrote: > Hi Markus, > > Thanks for the reply. I am trying to solve an elliptic equation to solve > for pressure and from that I need to calculate a function of pressure where > it's derivative in the y direction is required. So I want it as output and > not for further calculations. > > >
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