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Approximation of a Function

  • To: mathgroup at
  • Subject: [mg33428] Approximation of a Function
  • From: Zsolt Regaly <rezso at>
  • Date: Thu, 21 Mar 2002 09:27:07 -0500 (EST)
  • Organization: ELTE TTK
  • Reply-to: rezso at
  • Sender: owner-wri-mathgroup at

Hi MathGroup!

Can somebody to help me to find a solution of approximation of a function?
I have a function f[x_]:=a*x+b*x^2+c*x^3, where a,b,c are known numbers. I 
would like to find a simplier function for f, for example g[x]=c1 x^c2 at an 
given interval with specified precision. How can I find the numbers c1 and c2?

Thanks for Help, Zsolt Regaly.

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