chi^2 and Linear Fits

Details chi^2 and Linear Fits chi^2 and Linear Fits

2003-10-20

arxiv.org/abs/astro-ph/0310577v1

Astronomy and Astrophysics

Astrophysics

10 pages, plain tex

Scientific paper

The mathematics of linear fits is presented in covariant form. Topics include: correlated data, covariance matrices, joint fits to multiple data sets, constraints, and extension of the formalism to non-linear fits. A brief summary at the end provides a convenient crib sheet. These are somewhat amplified notes from a 90 minute lecture in a first-year graduate course. None of the results are new. They are presented here because they do not appear to be elsewhere available in compact form.

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