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Re: Partial Derivatives

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

>

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?