RE: How to Integrate or Differentiate a function of data list?
- To: mathgroup at smc.vnet.net
- Subject: [mg67371] RE: [mg67344] How to Integrate or Differentiate a function of data list?
- From: "David Park" <djmp at earthlink.net>
- Date: Tue, 20 Jun 2006 03:01:24 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
Simon, Look up Interpolation (and the associated functions) in Help. Make an InterpolatingFunction from your data and then you can differentiate and integrate that. David Park djmp at earthlink.net http://home.earthlink.net/~djmp/ From: simon yang [mailto:yanshanguke at 163.com] To: mathgroup at smc.vnet.net 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