MathGroup Archive 2004

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Problem with Integrate and FindMinimum

  • To: mathgroup at
  • Subject: [mg49593] Re: Problem with Integrate and FindMinimum
  • From: pnardon <pnardon at>
  • Date: Sat, 24 Jul 2004 03:47:23 -0400 (EDT)
  • References: <cdqpss$kh4$>
  • Sender: owner-wri-mathgroup at

csg at wrote:

> Hi I'm having a problem with Mathematica. I'm trying to find the minimum of a
> function f[a,b,...] defined as
> f[a,b,...]:=NIntegrate[h[x,a,b,...],{x,-inf,inf}]
> where h[x,a,b,...] is some complicated function. I'm trying to use FindMinimum
> to find the values of a,b,... that minimize f[a,b,...] but everytime I try to
> use Find Minimum I get the error message "Inegrand h[] is not numerical at
> *some point r*". I'm running Mathematica 5.0 student version at Windows XP.

Why don't you just try
to have a set of equations like:


Then Solve this set

just to see...

If you can post the function h[x,a,b,...] it could be more clear.


  • Prev by Date: Bug? Wrong result from infinite sum.
  • Next by Date: RE: Spacing of Words in Text Graphics Statements
  • Previous by thread: Re: Problem with Integrate and FindMinimum
  • Next by thread: NonlinearFit works not so good