choreo.segm.ODE.ExplicitSymplecticRKTable

class ExplicitSymplecticRKTable

Butcher Tables for explicit symplectic Runge-Kutta methods applied to partitionned Hamiltonian problems

cf [1]

Cited:

[1]

Jesus M Sanz-Serna. Symplectic integrators for hamiltonian problems: an overview. Acta numerica, 1:243–286, 1992.

See also

• choreo.segm.precomputed_tables

Class Constructor

__init__(*args, **kwargs)

Methods Summary

__init__
is_symmetric	Returns True if the Runge-Kutta method is symmetric.
is_symmetric_pair	Returns True if the pair of Runge-Kutta methods is symmetric.
symmetric_adjoint	Computes the symmetric adjoint of a ExplicitSymplecticRKTable.
symmetry_default	Computes the symmetry default of a single / a pair of ExplicitSymplecticRKTable.

Attributes

c_table
d_table
n_eff_steps	Number of effective steps of the method
nsteps	Number of steps of the method.
th_cvg_rate	Theoretical convergence rate of the method for smooth initial value problems.