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MathGroup Archive 2006

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Re: How to Integrate or Differentiate a function of data list?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg71541] Re: How to Integrate or Differentiate a function of data list?
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Wed, 22 Nov 2006 05:22:23 -0500 (EST)
  • Organization: Uni Leipzig
  • References: <e757pp$l1q$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de

Hi,

a function is a function, is a function and never a data list.
If you have a data list you can construct an InterpolatingFunction[]
and the polynomials are used to integrate or derivative the function.

Regards
   Jens

simon yang wrote:
> Dear Everyone,
> When a function is a data list: f[x]={ {x1, f1}, {x2, f2}, {x3, f3},
> ... }
> Which built-in function was used to Integrate or Differentiate the
> function f[x], or function such as x*f[x] / (x^2 - x0^2)   ?
> Thank you very much!
> Simon
> 


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