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Derivative of a function with multiple variables

• To: mathgroup at smc.vnet.net
• Subject: [mg69467] Derivative of a function with multiple variables
• From: "Adel Elsabbagh" <aelsabbagh at gmail.com>
• Date: Wed, 13 Sep 2006 04:02:35 -0400 (EDT)

Hi all,

I am sure this is easy to many of you

Assume I have f = f[x,y,z]
I would like to construct a simple function g[f[x,y,z]] that will
generate the Hessian. i.e.
g[f[x,y,z]]=
{{Derivative[2,0,0][f][x,y,z], Derivative[1,1,0][f][x,y,z],
Derivative[1,0,1][f][x,y,z]},
{Derivative[1,1,0][f][x,y,z], Derivative[0,2,0][f][x,y,z],
Derivative[0,1,1][f][x,y,z]},
{Derivative[1,0,1][f][x,y,z], Derivative[0,1,1][f][x,y,z],
Derivative[0,0,2][f][x,y,z]}}.

Any help?

-- 
Adel Elsabbagh

• Follow-Ups:
  • Re: Derivative of a function with multiple variables
    • From: "Carl K. Woll" <carlw@wolfram.com>
  • Re: Derivative of a function with multiple variables
    • From: "Chris Chiasson" <chris@chiasson.name>