Re: ODE in mathematica. what is wrong?

*To*: mathgroup at smc.vnet.net*Subject*: [mg91328] Re: [mg91307] ODE in mathematica. what is wrong?*From*: Franco Milicchio <franco.milicchio at gmail.com>*Date*: Fri, 15 Aug 2008 06:56:11 -0400 (EDT)*References*: <200808141101.HAA00111@smc.vnet.net>

On Aug 14, 2008, at 1:01pm, hoi-su jung wrote: > Hi, > I am a freshman of Mathematica, I need help here... > > I met such problem as: > > NDSolve[{ y'[x] == -\[Rho]y[x], y[0] == Subscript[y, 0], > I\[HBar] y'[x] == \[Epsilon]y[x], y[0] == Subscript[y, 0], > y''[x] + 2 \[Rho]y'[x] + k^2 == 0, y'[0] == Subscript[g, 0]}, y, x] > NDSolve::dvnoarg: The function y appears with no arguments. > > How to Handle??? Take a look at the parameters needed by NDSolve. -- Franco Milicchio <franco.milicchio at gmail.com> DiS - Dept. of Studies on Structures DIA - Dept. of Computer Science and Engineering University Roma Tre http://www.dia.uniroma3.it/~milicchi/

**References**:**ODE in mathematica. what is wrong?***From:*hoi-su jung <junghs2000@naver.com>