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Entering constant placeholders

• To: mathgroup at smc.vnet.net
• Subject: [mg32328] Entering constant placeholders
• From: "progman" <dglfl at home.com>
• Date: Tue, 15 Jan 2002 02:30:05 -0500 (EST)
• Reply-to: "progman" <dglfl at home.com>
• Sender: owner-wri-mathgroup at wolfram.com

I can't seem to make this work.  When I enter the following, I get these
errors:

SetAttributes[a,b,c, Constant]

Syntax::tsntxi: "SetAttributes a,constant" is incomplete; more input is
needed.

d(ax^3 + bx^2 + cx + d)/dx

The answer should be 3ax^2+2bx+c .  I can't figure out how to tell
mathematica that a,b, & c are constants.



Thanks

• Follow-Ups:
  • RE: Entering constant placeholders
    • From: "Higinio Ramos" <higra@usal.es>