MathGroup Archive 1997

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Re: Partial Derivatives

  • To: mathgroup at
  • Subject: [mg7894] Re: Partial Derivatives
  • From: Fernando Saldanha <fsaldanha at>
  • Date: Thu, 17 Jul 1997 15:35:54 -0400
  • Organization: World Bank
  • Sender: owner-wri-mathgroup at


I noticed that Mathematica cannot handle an expression like:

D[x^2, x^2]

It gives an error message. I would like to have it return 1 in such a
case. Is there a solution for this?

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