MathGroup Archive 2006

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Making plots using transformation rules

  • To: mathgroup at
  • Subject: [mg71961] Re: Making plots using transformation rules
  • From: "dimitris" <dimmechan at>
  • Date: Wed, 6 Dec 2006 06:03:39 -0500 (EST)
  • References: <el128e$5h8$>

See this link:


amannuc at wrote:
> I've read about making plots of functions, for example:
> Plot[Evaluate[f[x]], {x, 0, 10}]
> I don't have this sort of function to plot. Because it involves
> derivatives, I only get numerical output after defining a
> transformation rule. A simple example (not the real one) is the
> following:
> g[t_] := D[t^2, t]
> g[t] /. t -> 1
> I cannot evaluate g[1], because then Mathematica thinks I am trying to
> take a derivative with respect to the number 1, and flags that as
> error. So I need the transformation rule to get function values.
> What is the best way to plot g[t]? I am looking to create multiple
> transformation rules that replace the argument t with a reasonable
> range of values. Then I can plot g[t] versus t. Plot will not do this
> directly because it takes variable values as input. However, as I've
> said, the construction g[x] (x = some number) flags an error.
> Thanks for your help.

  • Prev by Date: Re: how many times nestwhile repeats calculations?
  • Next by Date: radical equation
  • Previous by thread: RE: Making plots using transformation rules
  • Next by thread: Re: Making plots using transformation rules