Computers and software • MCMC.f90: Couldn't start after 1000 tries
camb can be executed correctly after modification, but when running the chain, an error is reported, MCMC.f90: Couldn't start after 1000 tries - check starting ranges, I don't know what the reason...
View ArticleComputers and software • CosmoMC: Using external correlation functions/matrices
I have an indexed correlation function/matrix in units of [math]h^{-1} \text{ Mpc} and its associated power spectrum, and would like to know how I can use it as the sample data in CosmoMC instead of...
View ArticleComputers and software • Clarification on Perturbation Variables in CAMB's...
Hello everyone,I'm currently studying CAMB's perturbation equations (in equations.f90) and have a few clarifying questions:1. The Fractional Density Perturbations:What exactly are the fractional...
View ArticleComputers and software • Re: Clarification on Perturbation Variables in...
The CAMB notes define most thingshttps://cosmologist.info/notes/CAMB.pdfThe transfer function is just a definition (including Lambda would be odd as it would change the order of magnitude of the power...
View ArticleComputers and software • GetParams with same output as SampleDict
Hi, I have notice that the function GetParams from the GetDist library only returns the values that have been simulated in a MCMC, but not those which had been added as priors with no variations. For...
View ArticleComputers and software • Re: GetParams with same output as SampleDict
Can try MCSamples.ranges.fixedValueDict()Statistics: Posted by Antony Lewis — March 27 2025
View ArticleComputers and software • The MCMC does not start properly.
camb can be executed correctly after modification, but when running the chain, an error is reported, MCMC.f90: Couldn't start after 1000 tries - check starting ranges, I don't know what the reason...
View ArticleComputers and software • Re: The MCMC does not start properly.
Can try building and running with Debug option.If you ran with Cobaya instead, you could use --debug option to see output of parameters being tried and what the likelihood being returned...
View ArticleCosmoCoffee • Re: Can not register, username problem
Are you using "Ronaldo Batista" as the username?Statistics: Posted by Antony Lewis — March 31 2025
View ArticleComputers and software • Cobaya: fitting to subset of supernovae
Hello,Is there a way to use only a subset of supernovae in a sample in cobaya? I see the _apply_mask() function in the PantheonPlus SN class in this file:...
View ArticleComputers and software • Re: Cobaya: fitting to subset of supernovae
Not something I've tried, so possibly notStatistics: Posted by Antony Lewis — April 06 2025
View ArticleComputers and software • Full-shape measurements DESI DR1
Hello,Is there a public likelihood for the full shape DESI DR1 data release equivalent to the SDSS DR12 one available in cobaya?Thanks!bao.sdss_dr12_consensus_full_shape: Likelihood of the full-shape...
View ArticleConferences and meetings • Black Holes & Cosmology 2025, Reykjavik,...
The purpose of the Black Holes & Cosmology 2025 is to bring together world-renowned experts as well as junior researchers working on theoretical and observational aspects of black holes,...
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