Re: Entering constant placeholders
- To: mathgroup at smc.vnet.net
- Subject: [mg32345] Re: Entering constant placeholders
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Wed, 16 Jan 2002 03:29:53 -0500 (EST)
- Organization: Universitaet Leipzig
- References: <a20mbq$4ge$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
- Sender: owner-wri-mathgroup at wolfram.com
Hi,
SetAttributes[#, Constant] & /@ {a, b, c}
?
Regards
Jens
progman wrote:
>
> 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