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Spectral refinement v2 - Average logarithmic slope #126

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Spectral refinement v2 - Average logarithmic slope #126

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@KunkelAlexander KunkelAlexander commented Jun 2, 2024 •
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Updated spectral refinement

Spectral refinement

  • Measure decay rate of polynomial coefficients in polynomial expansion for spectral refinement instead of calculation mass in extension domain
  • Decay rate is measured using least-squares fit to log(order)-log(coeff)
  • This has several advantages: Computable without large ghost boundaries, gives natural values of order 1, insensitive to small-scale oscillations

@KunkelAlexander
Update documentation
0d93822
@KunkelAlexander
Switch to slope of re and im
87ad42e
@KunkelAlexander
Fix typo
e779d80
@KunkelAlexander
Fix more typos
c7a1f9a
@KunkelAlexander
Update documentation
6d16108
@KunkelAlexander
Use ghost zone of size 1 and make order of polynomial extension more …
1227497 
…flexible
@KunkelAlexander
Add density criterion
92330e6
@KunkelAlexander
Fix bugs in xy interpolation (missing buffer variable and issue with …
bdbcb12 
…rho * cos(S/N))
@KunkelAlexander
Switch to double precision
aa013bb
@KunkelAlexander
Update starting index of slope calculation and correctly take log(x)
c723b2c
@KunkelAlexander
Minor
5da2a74
@KunkelAlexander
Minor
a46f3dd
@KunkelAlexander
Implement singular gauge transformation - v1
0e85805
@KunkelAlexander
Minor
5ca38c2
@KunkelAlexander
Switch from singular gauge transformation to simple vortex detection
cec2ea9
@KunkelAlexander
Add check for plateaus
374c9c9
@KunkelAlexander
Take minimum over front and back slope to avoid refinement for low-or…
b35959d 
…der polynomials.
@KunkelAlexander
Switch xy criterion to phase laplacian
947735e
@KunkelAlexander
Minor
a500aec
@KunkelAlexander
Next attempt with smooth threshold
ae72fd1
@KunkelAlexander
Minor
e6924a8
@KunkelAlexander
Speed up spectral refinement
38324fd
@KunkelAlexander
Change back to old refinement strategy
045fdaa
@KunkelAlexander
Change stride to 1
dc4ceeb
@KunkelAlexander
Merge remote-tracking branch 'psidm-branch/psidm' into spectral_refin…
67a0285 
…ement_v2
@KunkelAlexander
Minor
eff6667
@KunkelAlexander
Reduce spectral criterion ghost boundary size to 1
909a2ee
@KunkelAlexander
Restore
75a9b0c
@KunkelAlexander
Minor
219fe22
@KunkelAlexander
Change wavelength magnifier to vortex threshold
de5d675
@hyschive hyschive self-assigned this Jul 20, 2024
@hyschive hyschive added the psidm Wave dark matter label Jul 20, 2024
@KunkelAlexander KunkelAlexander changed the title Spectral refinement & Spectral interpolation v2 Spectral refinement - Average logarithmic slope Aug 25, 2024
@KunkelAlexander KunkelAlexander changed the title Spectral refinement - Average logarithmic slope Spectral refinement v2 - Average logarithmic slope Nov 17, 2024
@KunkelAlexander KunkelAlexander mentioned this pull request Nov 17, 2024
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