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MathGroup Archive 2009

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find the maxima in a function

  • To: mathgroup at smc.vnet.net
  • Subject: [mg97052] find the maxima in a function
  • From: Oliver <sch_oliver2000 at yahoo.de>
  • Date: Wed, 4 Mar 2009 07:10:25 -0500 (EST)

Hallo,
how can one find the maxima by using mathematica for the following function:

f[x_] := 1/(8*(Pi*t)^(3/2)) * Exp[(-(x^2 + y^2 + z^2)/4*t)]

i mean, the first derivation equal Zero.
Thanks in advance..
Oli.


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