MathGroup Archive 2005

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function of a function

  • To: mathgroup at
  • Subject: [mg62611] function of a function
  • From: "Narasimham" <mathma18 at>
  • Date: Tue, 29 Nov 2005 04:46:10 -0500 (EST)
  • Sender: owner-wri-mathgroup at

Tried to solve numerically:


EQ= { f'[x] == f[f[x]], f[0]== 1} ;  NDSolve[EQ,f,{x,0,2}];

But gives an error.  NDSolve::ndnum:  Differential equation does not
evaluate to a number at x = 0.

Also does not work even with other f[0] values. Any way to do that?

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