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> Thanks all you guys for replying. The problem in my case is the f
> prime value. I changed it to -10 and all the negative density are
> gone. The thing that still puzzles me is that I got negative
> density with the default value when I was using remote dataset,
> which is supposed to be native like. Well, I guess I can still say
> the default value is also off from the remote dataset.
The remote is native-like in the sense that is has the least change in f';
but if you're using the usual method of treating dispersive as SIR, then
the inflection is more native like (otherwise, the sign of \delta_{f'}
would need to be negative).
Pete
Pete Meyer
Fu Lab
BMCB grad student
Cornell University
