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k range
 
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Ivan Debono



Joined: 17 Apr 2007
Posts: 25
Affiliation: APC, Paris 7 / OBSPM
PostPosted: November 26 2008  Reply with quote
Can one use a different k range for the matter power spectrum and Fisher matrix calculations? As it is currently set, iCosmo requires kmax to be at least ~100 if Smith et al. is used for the nonlinear P(k) correction.

Is there an option to use just the P(k) corresponding to a smaller k range?

Thanks
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Anais Rassat



Joined: 20 Oct 2004
Posts: 30
Affiliation: LASTRO (EPFL)
PostPosted: November 27 2008  Reply with quote
Hi Ivan,

At the moment the krange for the lensing Fisher matrix and the matter power spectrum is the same in iCosmo.

This can be easily modified in the source code (download it here: http://icosmo.pbwiki.com/).

You can also change the required value of kmax in the source code, but make sure to check the krange is large enough for the calculation of sigma8.


Anais
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