# Runge Kutta Method

1. Jan 24, 2015

### num3n

hello all dear

can solve this Example By Simulation With matlab

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2. Jan 29, 2015

### Greg Bernhardt

Thanks for the post! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post?

3. Feb 1, 2015

### Svein

I am not quite sure of your parameters. As far as I can make out your equation is $h''+\frac{1}{r}h'=0$. Now I wonder: Is r a constant? If so, just integrate and get $h'+\frac{1}{r}h=C$ (C is a constant) and from there $h(x) = C_{2}+C\cdot x + C_{1}e^{\frac{-x}{r}}$. Nom determine the constants to fit your constraints.

4. Feb 10, 2015