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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>