|  | 
        
          | count_overrides(nb) return the number of pairwise nonbonded interactions which are 
      affected by the overrides in the given term table.
 |  |  | 
    |  | 
        
          | duplicate_overrides(nb,
        pdict) |  |  | 
    |  | 
        
          | add_override(nb,
        **params) |  |  | 
    |  | 
        
          | apply_override(nb,
        sel1,
        sel2,
        p) |  |  | 
    |  | 
        
          | Override(mol,
        sel1,
        sel2,
        **params) override the nonbonded interaction for selections sel1 and sel2 with 
      the given keyword parameters.
 |  |  | 
    |  | 
        
          | combine_arithmetic_geometric(pi,
        pj) |  |  | 
    |  | 
        
          | combine_geometric(pi,
        pj) |  |  | 
    |  | 
        
          | Scale(mol,
        sel1,
        sel2,
        scale_sigma,
        scale_epsilon) scale the sigma and epsilon interaction for selections s1 and s2 with
      the given keyword parameters.
 |  |  |