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Re: Numerical integration and list of points

  • To: mathgroup at smc.vnet.net
  • Subject: [mg87632] Re: Numerical integration and list of points
  • From: dh <dh at metrohm.ch>
  • Date: Tue, 15 Apr 2008 05:45:40 -0400 (EDT)
  • References: <ftvd4f$d89$1@smc.vnet.net>


HI,

what you describe sounds reasonable and should work.

Did you check for syntax errors? How many pints are there? Try it with a 

few points and you may find the bug.

hope this helps, Daniel





guerom00 wrote:

> Hello everyone,

> 

> I have a function which I read as a list of points. I want then to

> estimate its integral. I do more or less this :

> 

> data={{x1,y1},{x2,y2},...,{xN,yN}}

> f=Interpolation[data]

> NIntegrate[f[x],{x,x1,xN}]

> 

> Is it the correct way ? Because Mathematica hangs without giving me an

> answer although it seems a pretty straightforward thing to do...

> 

> Thanks for any suggestions.

> 




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