rktmy7 Module Procedure

module procedure rktmy7 module subroutine rktmy7(me, t, x, h, xf, xerr)

Tanaka/Muramatsu/Yamashita 7th order (a.k.a. Tanyam7)

Reference

M. Tanaka, S. Muramatsu and S. Yamashita, "On the Optimization of Some Nine-Stage Seventh-order Runge-Kutta Method", Information Processing Society of Japan, Vol. 33, No. 12 (1992) pages 1512-1526.
Rational coefficients
Tanyam7

Note

The floating point coefficients here were generated from the rational ones from the 3rd reference.

Arguments

Type	Intent	Optional	Attributes		Name
class(rktmy7_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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