Method

NumCosmoHICosmoj

Declaration [src] 

gdouble
nc_hicosmo_j (
  NcHICosmo* cosmo,
  const gdouble z
)

Description [src]

Computes the jerk parameter $j(z) = \frac{\dddot{a}}{aH^3}$.

Parameters

z

Type: const gdouble

Redshift $z$.

Return value

Type: gdouble

The jerk parameter $j(z)$.