https://github.com/xzackli/cosmology-notebooks
random stuff
https://github.com/xzackli/cosmology-notebooks
Last synced: about 2 months ago
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random stuff
- Host: GitHub
- URL: https://github.com/xzackli/cosmology-notebooks
- Owner: xzackli
- Created: 2018-01-15T11:05:25.000Z (over 7 years ago)
- Default Branch: master
- Last Pushed: 2024-01-21T18:32:28.000Z (over 1 year ago)
- Last Synced: 2025-04-04T01:03:22.084Z (about 2 months ago)
- Language: Jupyter Notebook
- Homepage:
- Size: 3.85 MB
- Stars: 5
- Watchers: 1
- Forks: 3
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
# Cosmology Notebooks
## CAMBvsCLASS
This is a quick and dirty Jupyter notebook that compares reference spectra output for CLASS and CAMB. At
the highest precision settings, they agree at a 0.1% level up to $\ell \sim 3500$. The linear matter
power spectra agree to ~0.01%, and HALOFIT nonlinear P(k) agree up to ~0.1%.
I'm particularly interested in the TT spectrum for $3000 < \ell < 5000$. For these purposes, the key parameter appears
to be `k_max_tau0_over_l_max`.