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ODE in mathematica. what is wrong?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg91307] ODE in mathematica. what is wrong?
  • From: hoi-su jung <junghs2000 at naver.com>
  • Date: Thu, 14 Aug 2008 07:01:18 -0400 (EDT)

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???


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