Examples:
API:
mod()
is_symplectic()
projection()
rotation()
rotation_block()
symplectic_block()
symplectic_conjugate()
symplectic_identity()
symplectic_inverse()
symplectify()
advance()
is_stable()
propagate()
twiss()
cs_normal()
lb_normal()
normal_to_wolski()
parametric()
wolski_to_normal()
cs_to_wolski()
lb_to_wolski()
wolski_to_cs()
wolski_to_lb()
cs_invariant()
invariant()
lb_invariant()
cs_transport()
lb_transport()
momenta()
transport()
wolski_transport()
normal()