Re: Is it possible to plot a point a time on the same graph in Mathematica?
- To: mathgroup at smc.vnet.net
- Subject: [mg25901] Re: Is it possible to plot a point a time on the same graph in Mathematica?
- From: leko at ix.netcom.com (J. Leko)
- Date: Tue, 7 Nov 2000 02:56:08 -0500 (EST)
- References: <ctQI5.767$qE1.38868@ralph.vnet.net> <8t65c7$eif@smc.vnet.net> <8tofbp$j2b@smc.vnet.net> <MZnN5.2588$5y4.43413@ralph.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
In article <MZnN5.2588$5y4.43413 at ralph.vnet.net>, "W. H. Harker" <wharke at sprynet.com> wrote: > In article <8tofbp$j2b at smc.vnet.net>, siegman at stanford.edu says... > > In article <8t65c7$eif at smc.vnet.net>, H Shou <H.Shou at cs.cf.ac.uk> > > wrote: > > > > > Dear Sir: > > > > > > ......... > > > Is it possible to plot a point a time on the same graph in > > > Mathematica so that I can watch the progress instead of > > > keeping on waiting. > > > > > > Henry Shaw > > > > I will be *very* interested to see what answers you get on this, because > > I think the answer is essentially NO -- and this is perhaps *THE* single > > most serious weakness of Mathematica as a teaching and display tool. > > > > That is, you can't "write to the screen" to put a new plot into an > > existing on-screen plot in Mathematica because Mathematica graphics are > > fundamentally built around PostScript, and PostScript involves fully > > creating a plot, and only then displaying it. > > > > ................ > > > The ability to plot 'on the fly' is probably the greatest gap in > Mathematica's general effectiveness. In my case, understanding space > curves which cycle back and forth throughout a region. When these are > plotted point by point what is happening is often clear. When presented > as a finished plot it's just a ball of yarn. O.K. I know that this isn't EXACTLY the answer that everyone is expecting, but what about plotting several graphs and then animating them? It's definitely not real-time. However, this would accomplish your task. J. Leko Please e-mail replies to leko*j at cspar.uah.edu and remove the *