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Approximation of a Function

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

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.

• Follow-Ups:
  • Re: Approximation of a Function
    • From: Tomas Garza <tgarza01@prodigy.net.mx>