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Easiest CMB code to modify?

Posted: March 19 2020
by Albin Nilsson

I want to derive various CMB spectra for different modified cosmological models. I see a lot of codes for this, CAMB, EFTCAMB, CMBfast and more. Which code lends itself best to modify the underlying cosmology, and what are the pros and cons of the different codes?

Thanks in advance