Function adas.r8rd2b
- def r8rd2b(nu, lu, nl, ll)
- 
Calculates hydrogenic bound-bound radial integrals using recurrence relations. Parameters- nu:- int
- upper principal quantum number
- lu:- int
- upper angular momentumn quantum number
- nl:- int
- lower principal quantum number
- ll:- int
- lower angular momentumn quantum number
 Returns- float
- radial integral
 Version History- Martin O'Mullane, 03-04-2019- First version
 
 Example>>> import adas as adas >>> adas.r8rd2b(8, 5, 7, 4) 1571.5089339201677