1. The problem statement, all variables and given/known data I really am desperate for help on this one. I need to use the runge kutta method to approximate the motion of an electron in the potential below. The T.I.S.E is known, and I have to try and use the runge kutta method to find the wavefunction of the particle. [tex] V(x) = infinity [/tex] for |x|>1 [tex] V(x) = 0 [/tex] for 0.2<|x|<1 [tex] V(x) = 50 [/tex] for |x|<0.2 2. Relevant equations The time independant schrodinger equation. 3. The attempt at a solution I don't even know where to start. Any form of help would be appreciated. I have found examples of its implementation from google, but all of the websites found only involve first order differential equations.