SpECTRE
v2021.12.06

The value \(\partial_u R / R\), where \(R(u, \theta, \phi)\) is Bondi radius of the worldtube. More...
#include <Tags.hpp>
Public Types  
using  type = Scalar< SpinWeighted< ComplexDataVector, 0 > > 
The value \(\partial_u R / R\), where \(R(u, \theta, \phi)\) is Bondi radius of the worldtube.