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Astrophysics Source Code Library

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Searching for codes credited to 'Sandford, Nathan'

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Found 2 codes.

[ascl:2107.020] Chem-I-Calc: Chemical Information Calculator
Sandford, Nathan
Chem-I-Calc evaluates the chemical information content of resolved star spectroscopy. It takes advantage of the Fisher information matrix and the Cramér-Rao inequality to quickly calculate the Cramér-Rao lower bounds (CRLBs), which give the best theoretically achievable precision from a set of observations.
[ascl:1909.006] ChempyMulti: Multi-star Bayesian inference with Chempy
Rybizki, Jan; Philcox, Oliver H. E.; Rix, Hans-Walter; Just, Andreas; Fouesneau, Morgan; Sandford, Nathan
ChempyMulti is an update to Chempy (ascl:1702.011) and provides yield table scoring and multi-star Bayesian inference. This replaces the ChempyScoring package in Chempy. Chempy is a flexible one-zone open-box chemical evolution model, incorporating abundance fitting and stellar feedback calculations. It includes routines for parameter optimization for simulations and observational data and yield table scoring.