rkr4 Module Procedure

module procedure rkr4 module subroutine rkr4(me, t, x, h, xf)

Ralston 4th order method with minimum truncation error.

Reference

Ralston, Anthony (1962). "Runge-Kutta Methods with Minimum Error Bounds". Math. Comput. 16 (80): 431-437.

Arguments

Type	Intent	Optional	Attributes		Name
class(rkr4_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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