On 5/5/2009 8:23:13 AM, YuK wrote:
>We know Runge-Kutta metod 4-th
>Order Approximation has 4-th
>Order Approximation. How to
>view this by Mathkad?
Is 4th global, but that's only because is 5th local. You can see that with the 'symbolic not found' for a serie of order 5 in your setup.
To evaluate the local error, you starting acotating the value e = |yn+1-yn|. To do that, assume at first that yn have not error! (which is absolutely false).
Regards. Alvaro.