Fast Fisher Matrices and Lazy Likelihoods

Details Fast Fisher Matrices and Lazy Likelihoods Fast Fisher Matrices and Lazy Likelihoods

2010-07-27

arxiv.org/abs/1007.4820v2

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

5 pages, 1 figure, example added

Scientific paper

Theoretical studies in gravitational wave astronomy often require the calculation of Fisher Information Matrices and Likelihood functions, which in a direct approach entail the costly step of computing gravitational waveforms. Here I describe an alternative technique that sidesteps the need to compute full waveforms, resulting in significant computational savings. I describe how related techniques can be used to speed up Bayesian inference applied to real gravitational wave data.

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