Mathematica 9 is now available
Services & Resources / Wolfram Forums / MathGroup Archive
-----

MathGroup Archive 2008

[Date Index] [Thread Index] [Author Index]

Search the Archive

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/




  • Prev by Date: Re: Another Out of Memory Problem
  • Next by Date: Re: x-axis value issues
  • Previous by thread: ODE in mathematica. what is wrong?
  • Next by thread: Re: ODE in mathematica. what is wrong?