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Re: max and min

  • To: mathgroup at smc.vnet.net
  • Subject: [mg87469] Re: [mg87431] max and min
  • From: "Ary Adilson Morales Alvarado" <amorales at lme.usp.br>
  • Date: Fri, 11 Apr 2008 01:44:51 -0400 (EDT)
  • References: <200804100614.CAA10569@smc.vnet.net>

Dear Cheers,

And, If instead of a function I have a List?, how I can to use the
FindMaximum?.

Thanks a lot,

Ary




> Dear Ary,
> Your question is a bit difficult to interpret. Sin[x y] has maxmin =
> {-1,1}
> for x and y reals.
>
>
> However, I believe this example my help you out.  It will find "some" of
> the
> maxima, but not all.
>
> FindMaximum[(1 + Sin[x  y])/(2 + Cos[y]), {{x, 1}, {y, 2}}]
>
> Here x and y will be real numbers.
>
> To find all max/min--inima, you could take derivatives symbolically and
> Solve symbolically
>
> Cheers, Craig
>
> On Thu, Apr 10, 2008 at 2:14 AM, Ary Adilson Morales Alvarado <
> amorales at lme.usp.br> 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
>>
>>
>>
>> --
>> This message was scanned for spam and viruses by BitDefender.
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>>
>>
>>
>
>
> --
> W. Craig Carter
>




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