rkv98r Module Procedure

module procedure rkv98r module subroutine rkv98r(me, t, x, h, xf, xerr)

Verner's "most robust" Runge-Kutta (16:9(8)) pair.

Reference

  • J.H. Verner, "Explicit Runge-Kutta Methods with Estimates of the Local Truncation Error", SIAM Journal on Numerical Analysis, Vol. 15, Issue 4 (1978)
  • J.H. Verner, "Numerically optimal Runge--Kutta pairs with interpolants", Numerical Algorithms, 53, (2010) pp. 383-396. doi
  • Jim Verner's Refuge for Runge-Kutta Pairs
  • Coefficients

Note

The dense output (interpolant) is in rkv98r_dense_coefficients.

Arguments

Type IntentOptional Attributes Name
class(rkv98r_class), intent(inout) :: me
real(kind=wp), intent(in) :: t

initial time

real(kind=wp), intent(in), dimension(me%n) :: x

initial state

real(kind=wp), intent(in) :: h

time step

real(kind=wp), intent(out), dimension(me%n) :: xf

state at time t+h

real(kind=wp), intent(out), dimension(me%n) :: xerr

truncation error estimate for x


Calls

proc~~rkv98r~~CallsGraph proc~rkv98r rkv98r f f proc~rkv98r->f funcs funcs proc~rkv98r->funcs proc~check_fsal_cache rk_variable_step_class%check_fsal_cache proc~rkv98r->proc~check_fsal_cache proc~set_fsal_cache rk_variable_step_class%set_fsal_cache proc~check_fsal_cache->proc~set_fsal_cache proc~set_fsal_cache->f