Re: Cartesian[(x, y, z)] is not a valid coordinate system specification
- To: mathgroup at smc.vnet.net
- Subject: [mg44567] Re: Cartesian[(x, y, z)] is not a valid coordinate system specification
- From: poujadej at yahoo.fr (Jean-Claude Poujade)
- Date: Fri, 14 Nov 2003 04:43:14 -0500 (EST)
- References: <bove46$kr2$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Karsten Rothemund <karo at etechnik.uni-rostock.de> wrote in message news:<bove46$kr2$1 at smc.vnet.net>... > Hello all out there > > I use Mathematica 4.2 under FreeBSD (Linux API) and 4.1 (Linux). > > I want to demonstrate my students something about grad, div and curl. > So I prepared a notebook on the FreeBSD-machine (Mathematica 4.2), > which worked there OK. Now I want to re-evaluate the notebook at the > university (Mathematica 4.1 on Linux) and I get the following: > > -----8<----------8<----------8<----------8<----------8<----------8<----- > > In[1]:= << CalculusVectorAnalysis > > Cartesian::"shdw": Symbol "Cartesian" appears in multiple contexts \ > CalculusVectorAnalysis, Global definitions in context \ > CalculusVectorAnalysis may shadow or be shadowed by other \ > definitions. > > In[2]:= <<GraphicsPlotField3D > <<GraphicsPlotField > <<GraphicsContourPlot3D > <<GraphicsLegend > > In[3]:= SetCoordinates[Cartesian[x, y, z]] > > Coordinates::"invalid": Cartesian[x, y, z] is not a valid \ > coordinate system specification. > > Out[3]:= SetCoordinates[Cartesian[x, y, z]] > > -----8<----------8<----------8<----------8<----------8<----------8<----- > > At this point I can stop evaluating the notebook. :-( > > But what is the problem here? Is there a significant difference > between 4.1 and 4.2? A Bug? > > Does a workaround exist? (I don't want to update/downgrade to have > both machines at a consistent level) > > I couldn't find anything with google (but maybe I didn't look at the > right places -> pointer to them might be enough). > > Thanx for any help, It seems that grave accents (ascii code 96) are missing here and there: In[1]:=$Version Out[1]=4.1 for Microsoft Windows (November 2, 2000) In[2]:=<<Calculus`VectorAnalysis` In[3]:=<<Graphics`PlotField3D` In[4]:=<<Graphics`PlotField` In[5]:=<<Graphics`ContourPlot3D` In[6]:=<<Graphics`Legend` In[7]:=SetCoordinates[Cartesian[x, y, z]] Out[7]=Cartesian[x,y,z] --- jcp