Tools

Miscellaneous tools.

cosmax.tools Package

Functions

central_difference(field, axis, delta)	Compute the central difference of a field along a given axis.
cic_ma(pos, weight, elements[, size])	Periodic cloud in a cell mass (CIC) mass assignment.
compute_overdensity(rho)	Overdensity (delta) of a density field (rho) as defined in cosmology
compute_overdensity_mean(rho)	Overdensity (delta) of a density field (rho) as defined in cosmology
compute_rho(overdensity, mean)	Get density (rho) from overdensity (delta)
fit_field(key, elements, field, total_mass)	Given a 3D density field, fit the particle positions and masses such that the density field is well represented by the particles.
gradient(field, delta)	Compute the gradient of a field using central differences.
growth_factor_approx(a, Omega_M, Omega_L)	Approximation of the growth factor in cosmology
loss(pos, mass, field_truth[, size])	Loss function for fitting a 3D density field with particles