Corpus ID: 118040490

Fisher Matrices and Confidence Ellipses: A Quick-Start Guide and Software

@article{Coe2009FisherMA,
  title={Fisher Matrices and Confidence Ellipses: A Quick-Start Guide and Software},
  author={D. Coe},
  journal={arXiv: Instrumentation and Methods for Astrophysics},
  year={2009}
}
  • D. Coe
  • Published 2009
  • Physics
  • arXiv: Instrumentation and Methods for Astrophysics
  • Fisher matrices are used frequently in the analysis of combining cosmological constraints from various data sets. They encode the Gaussian uncertainties of multiple variables. They are simple to use, and I show how to get up and running with them quickly. Python software is also provided. I cover how to obtain confidence ellipses, add datasets, apply priors, marginalize, transform variables, and even calculate your own Fisher matrices. This treatment is not new, but I aim to provide a clear and… CONTINUE READING
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