Exploring a sub-band of k's or l's

Use of Cobaya. camb, CLASS, cosmomc, compilers, etc.
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Ira *Wolfson
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Joined: January 24 2013
Affiliation: MPA
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Exploring a sub-band of k''s or l''s

Post by Ira *Wolfson » August 18 2014

Hi,

I am interested in running an analysis on only a part of the k spectrum (or equivalently the l spectrum).

Is there a way for me to restrict the CosmoMC or associated CAMB to a narrower band of k-space or l-space?

Thanx

-- Ira

Ira *Wolfson
Posts: 69
Joined: January 24 2013
Affiliation: MPA
Contact:

Exploring a sub-band of k''s or l''s

Post by Ira *Wolfson » September 09 2014

OK,
So for posterity's sake, I found where this is handled from:
in the source directory, in cmbtypes.f90 file, a property called
"lmax", and "lmax_tensor" controls the maximum l that CAMB is called with.

Since this exists as a hard-coded quantity in the file, it seems I have little choice but to re-compile the code.

however, I might change the code a bit to allow reading it from an external file, which would be great.


-- Ira

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