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Re: Can Mathematica Do This?

  • To: mathgroup at
  • Subject: [mg8177] Re: Can Mathematica Do This?
  • From: murray at (Murray Eisenberg)
  • Date: Mon, 18 Aug 1997 03:07:01 -0400
  • Organization: University of Massachusetts, Amherst
  • Sender: owner-wri-mathgroup at

Fahad A Hoymany (fahad at wrote:
:      Before I go on to investigate this problem, and because I'm not
: familiar with the capability of Mathematica, could someone tell me if
: Mathematica can:

: 1) Find the partial derivative of a function of three variables, f(x,y,z),
:    with respect to each variable?

YES:  D[f[x, y, z], x] etc.

: 2) Find the minimum (x,y,z) for f?

YES, qualified (not everything in life has a yes/no answer):
FindMinimum will search for a LOCAL minimum starting at a
user-specified initial point.  And the user can, if desired, specify
one of several standard techniques.  So it all depends on the
particular function.

  Murray Eisenberg                       Internet:  murray at
  Mathematics & Statistics Dept.            Voice:  413-545-2859 (W)
  University of Massachusetts                       413-549-1020 (H)
  Amherst, MA 01003                           Fax:  413-545-1801

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