Re: [Libmesh-devel] ErrorEstimator behavior for goal-oriented problems

2012-10-21 Thread Roy Stogner
On Thu, 11 Oct 2012, John Peterson wrote: > On Thu, Oct 11, 2012 at 10:45 AM, Roy Stogner > wrote: >> >> Vikram and I are waffling on this question, so I thought I'd throw it >> out for everybody's feedback: >> >> For signed error estimates, e.g. estimates of Quantity-of-Interest >> error where

Re: [Libmesh-devel] ErrorEstimator behavior for goal-oriented problems

2012-10-11 Thread John Peterson
On Thu, Oct 11, 2012 at 10:45 AM, Roy Stogner wrote: > > Vikram and I are waffling on this question, so I thought I'd throw it > out for everybody's feedback: > > For signed error estimates, e.g. estimates of Quantity-of-Interest > error where Q - Q_h ~= sum_E ( \eta_E ), what should the > estimat