Re: Newbie Question -- Plot3d::plnc
- To: mathgroup at smc.vnet.net
- Subject: [mg52719] Re: [mg52698] Newbie Question -- Plot3d::plnc
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Sat, 11 Dec 2004 05:21:11 -0500 (EST)
- Reply-to: hanlonr at cox.net
- Sender: owner-wri-mathgroup at wolfram.com
You forgot the comma used to separate the arguments in the call to xtimesy xtimesy[x_,y_]:=x*y; Plot3D[xtimesy[x,y],{x,-5,5},{y,-5,5}]; Bob Hanlon > > From: jujubaby at gmail.com To: mathgroup at smc.vnet.net > Date: 2004/12/09 Thu PM 08:23:12 EST > To: mathgroup at smc.vnet.net > Subject: [mg52719] [mg52698] Newbie Question -- Plot3d::plnc > > X-No-Archive: Yes > > When I enter the following two statements into Mathematica 5: > > xtimesy[x_, y_] := x*y; > Plot3D[xtimesy[x y], {x, -5, 5}, {y, -5, 5}] > > I receive a huge cascade of errors, all of this form: > > Plot3D::plnc: xtimesy[x\y] is neither a machine-size real number at \ > {x,y}={-5.,-5.} nor a list of a real number and a valid color > directive. > > What am I doing wrong? > > Thanks! > > -Jake > >