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