Re: showing variables in plots?
- To: mathgroup at smc.vnet.net
- Subject: [mg70053] Re: showing variables in plots?
- From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
- Date: Sun, 1 Oct 2006 04:10:02 -0400 (EDT)
- Organization: The Open University, Milton Keynes, UK
- References: <efle9v$dds$1@smc.vnet.net>
Sam Waller wrote: > I'm plotting something like this: > > x = 2; > > curve = Plot[...., DisplayFunction -> Identity]; > > txt = Graphics[ Text["x = 2", {10, 10},....] ]; > > Show[curve, txt, DisplayFunctio->$DisplayFunction, ...]; > > The problem is that I want 'txt' to automatically change if I assign a different value to x so that > I don't have to edit txt everytime I change the variable x. Something like printf() in C. Can this > be done in mathematica? > > thanks, > Sam > Hi Sam, The following expression will do what you want: txt = Graphics[Text["x = " <> ToString[x], {10, 10}, ....]]; Regards, Jean-Marc