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Re: Plot vs FindMinimum

  • To: mathgroup at
  • Subject: [mg18379] Re: [mg18314] Plot vs FindMinimum
  • From: "Andrzej Kozlowski" <andrzej at>
  • Date: Wed, 30 Jun 1999 14:13:36 -0400
  • Sender: owner-wri-mathgroup at

You can use Plot to find numerical maximum or minimum. Here is an example:

{{-0.999918, 3.}}

{{0.999559, -0.999999}}
Andrzej Kozlowski
Toyama International University

>From: "Joaquin Gonzalez de Echavarri" <jge at>
>To: mathgroup at
>Subject: [mg18379] [mg18314] Plot vs FindMinimum
>Date: Sun, Jun 27, 1999, 8:07 AM

> I'm trying to find the minimum of a function practically flat in a very
> large intervall, after that it falls suddenly, reaches the minimun and rises
> very fast again.
> I'm able to see the function and the minimun with Plot in a fraction of
> second but is very dificult and it takes a lot of time to find it with
> FindMinimum, my question is:
> Is it not possible to use the same algorithm that Plot uses for finding the
> value of the minimun?
> What's that algorithm?
> TK and BR
> Joako

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