rk7 Module Procedure

module procedure rk7 module subroutine rk7(me, t, x, h, xf)

Take one Runge Kutta 7 integration step: t -> t+h (x -> xf)

Reference

E. B. Shanks, "Solutions of Differential Equations by Evaluations of Functions" Math. Comp. 20 (1966).

Arguments

Type	Intent	Optional	Attributes		Name
class(rk7_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`

Calls

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