* Runge-Kutta in Ada @ 1999-06-17 0:00 Frank Oppenheimer 1999-06-17 0:00 ` Gautier 0 siblings, 1 reply; 2+ messages in thread From: Frank Oppenheimer @ 1999-06-17 0:00 UTC (permalink / raw) For modelling a continous physical system I am searching for a numeric package including the Runge-Kutta method to solve differential equations. Since the equations are oft second order it would be great to find a package that is flexible enough to handle a vector of functions. ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Runge-Kutta in Ada 1999-06-17 0:00 Runge-Kutta in Ada Frank Oppenheimer @ 1999-06-17 0:00 ` Gautier 0 siblings, 0 replies; 2+ messages in thread From: Gautier @ 1999-06-17 0:00 UTC (permalink / raw) To: Frank Oppenheimer > For modelling a continous physical system I am searching for a numeric package > including the Runge-Kutta method to solve differential equations. Since the > equations are oft second order it would be great to find a package that is > flexible enough to handle a vector of functions. There is a vectorial RK implementation in my math packages / programs URL http://members.xoom.com/gdemont/gsoft.htm arenstor.adb in: http://members.xoom.com/gdemont/logiciel/mathprog.zip uses packages from: http://members.xoom.com/gdemont/logiciel/mathpaqs.zip Methods implemented type t_meth is (Euler1, Runge_Kutta_class4, Runge_Kutta_3_8_4, Butcher6, DoPriF7, DoPriF8, DoPriV8 ); -- V: variable step size (F: fixed) As you see there is even the Dormand-Prince 13 stages variable step method... -- Gautier -------- http://members.xoom.com/gdemont/ ^ permalink raw reply [flat|nested] 2+ messages in thread
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