Re: Plot without a graph

*To*: mathgroup at smc.vnet.net*Subject*: [mg84456] Re: Plot without a graph*From*: David Bailey <dave at Remove_Thisdbailey.co.uk>*Date*: Tue, 25 Dec 2007 06:28:38 -0500 (EST)*References*: <fkangm$dev$1@smc.vnet.net>

jackgold at umich.edu wrote: > Hello, > > Suppose I want the table of values that Mathematica uses to plot the > graph but I don't want the graph plotted. I knew how to do it once, a > long time ago, but I have forgotten the scheme. Something like > Display->Identity? > > Sorry to trouble you guys with this trivia but I could not find the > method by searching the options for plot. By the way, I do know how to > get the table! > You are thinking of DisplayFunction->Identity, which had the effect of just returning the Graphics expression but not actually drawing the plot. This has changed somewhat at 6.0, and in an case did not do what I think you want to do - i.e. return a table of {x,y} pairs. The following example shows how to achieve this: Reap[Plot[Sin[x], {x, 0, 10}, EvaluationMonitor :> Sow[{x, Sin[x]}]]][[2]] David Bailey http://www.dbaileyconsultancy.co.uk