[Date Index] [Thread Index] [Author Index]

Simplifying Derivatives

• To: mathgroup at smc.vnet.net
• Subject: [mg13051] Simplifying Derivatives
• From: kcrumpto at redwood.dn.hac.com (Kenneth S. Crumpton)
• Date: Sat, 4 Jul 1998 16:44:55 -0400
• Sender: owner-wri-mathgroup at wolfram.com

I am computing symbolically derivatives of orbit equations.  The answers
are coming out correctly but how do I keep it from substituting what
various symbols are equal to ? (E.g., r = sqrt(x^2+y^2+z^2); I just
want to see r in the answer and not the expansion) Thanks.

Steve Crumpton
Systems Engineer, Raytheon

• Follow-Ups:
  • Re: Simplifying Derivatives
    • From: Sean Ross <seanross@worldnet.att.net>