rko129 Module Procedure

module procedure rko129 module subroutine rko129(me, t, x, h, xf, xerr)

A modification of Hiroshi Ono's order 12 Runge-Kutta scheme with an order 9 embedded scheme.

Reference

Hiroshi Ono, On the 25 stage 12th order explicit Runge-Kutta method, Transactions of the Japan Society for Industrial and applied Mathematics, Vol. 6, No. 3, (2006) pages 177 to 186.
Rational coefficients

Arguments

Type	Intent	Optional	Attributes		Name
class(rko129_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

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