def _compute_fixed_length_solns(model, t0, k0):
 results = {}
 for integrator in ['dopri5', 'dop853', 'vode', 'lsoda']:
  discrete_soln = model.solve(t0, k0, h=1.0, T=1000.0, integrator=integrator, atol=1e-14, rtol=1e-11)
  results[integrator] = discrete_soln
 return results

def _compute_fixed_length_solns ( model , t0 , k0 ) : results = { } for integrator in [ 'dopri5' , 'dop853' , 'vode' , 'lsoda' ] : discrete_soln = model . solve ( t0 , k0 , h = 1.0 , T = 1000.0 , integrator = integrator , atol = 1e-14 , rtol = 1e-11 ) results [ integrator ] = discrete_soln return results
returns a dictionary of fixed length solution trajectories .