[Users] GW150914 example, noisy Psi4 waveforms

[Christian D. Ott]

Hi Ian,

On 3/30/17 23:09, Ian Hinder wrote:
>
> Hmm. That's a bit disappointing.  In your original plot, I couldn't see
> any oscillations at all in the 8th order case, though I have seen them
> in my runs when plotting the frequency (which is yet another
> derivative).  Can you see oscillations in psi4 itself in the 8th order case?

Yes, they are there in the 8th-order case, just much weaker than in the 
4th-order case. See attached plot. Perhaps, understanding why lower 
order leads to worse oscillations can guide us to their root cause?

Best,

  - Christian
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