rks4 Module Procedure

module procedure rks4 module subroutine rks4(me, t, x, h, xf)

4th order Runge Kutta Shanks (4 points)

Reference

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

Arguments

Type	Intent	Optional	Attributes		Name
class(rks4_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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