> I'm not sure if using ||lhs|| is a good way to normalize the residual. > Surely that could be very small. Is ||lhs - rhs|| getting smaller > without normalization?
ok, i was not very precise in my statement. actually i was doing this: 1. make a plot of lhs pointwise. 2. make a plot of lhs - rhs pointwise, on the same scale. then compare the size of the deviations lhs-rhs. what i see is that the absolute deviations lhs-rhs do increase over time and that they reach a level over 10% of the lhs, at those points in the phase space where the lhs is largest in magnitude sorry for the confusion. n.
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