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astro-ph.CO2013★ 52 cited
PkANN - II. A non-linear matter power spectrum interpolator developed using artificial neural networks
Shankar Agarwal, Filipe B. Abdalla, Hume A. Feldman +2
In this paper we introduce PkANN, a freely available software package for interpolating the non-linear matter power spectrum, constructed using Artificial Neural Networks (ANNs). P…
astro-ph.CO2013★ 5 cited
The Cosmic Mach Number: Comparison from Observations, Numerical Simulations and Nonlinear Predictions
Shankar Agarwal, Hume A. Feldman
We calculate the cosmic Mach number M - the ratio of the bulk flow of the velocity field on scale R to the velocity dispersion within regions of scale R. M is effectively a measure…