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Re: max and min

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  • Subject: [mg87467] Re: max and min
  • From: dh <dh at>
  • Date: Fri, 11 Apr 2008 01:44:28 -0400 (EDT)
  • References: <ftkbbo$b2u$>

Hi Ary,

you should post a simple example, otherwise it is not clear what 

difficulties you face..

I assume that you have a function like e.g. Sin[1/t]. Obviously such a 

function has many extrema. Therefore, we need to give a region. Then we 

need the old trick of setting the derivative to zero and use e.g. Reduce:


hope this helps, Daniel

Ary Adilson Morales Alvarado wrote:

> Dear friends,


> How I can to obtain the maximum and minimum values in a function like a

> Sin, but that varying their frequency with the time.


> Thanks in advanced,


> Ary




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