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Surrogate model of hybridized numerical relativity binary black hole waveforms
Vijay Varma, Scott E. Field, Mark A. Scheel +3
Numerical relativity (NR) simulations provide the most accurate binary black hole gravitational waveforms, but are prohibitively expensive for applications such as parameter estima…
Constraining the parameters of GW150914 & GW170104 with numerical relativity surrogates
Prayush Kumar, Jonathan Blackman, Scott E. Field +7
Gravitational-wave detectors have begun to observe coalescences of heavy black holes at a consistent pace for the past few years. Accurate models of gravitational waveforms are ess…
A Note on QR-Based Model Reduction: Algorithm, Software, and Gravitational Wave Applications
Harbir Antil, Dangxing Chen, Scott E. Field
While the proper orthogonal decomposition (POD) is optimal under certain norms it's also expensive to compute. For large matrix sizes, it is well known that the QR decomposition pr…