MathGroup Archive 2010

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

Search the Archive

Re: How to get Tooltip value

  • To: mathgroup at
  • Subject: [mg112878] Re: How to get Tooltip value
  • From: Simon <simonjtyler at>
  • Date: Tue, 5 Oct 2010 03:05:01 -0400 (EDT)
  • References: <i8c8rl$g73$>

On Oct 4, 9:04 pm, "James Brown" <J... at SETI.Net> wrote:
> Is there  a way to extract the value of a variable and display it with
> Tooltip?
> Example:
> f[x_] := 1/x^2
> Plot[Tooltip[f[x],"Value of x is:" "(wish I knew)"],{x,0,100}]
> Thanks... Jim

Here's an ugly hack:

f[x_] := 1/x^2
p = Plot[f[x], {x, 0, 100}];
data = p[[Sequence @@ Position[p, Line[__]][[1]]]][[1]];
ListPlot[Tooltip[#, #] & /@ data, Joined -> True]

But there are probably nicer solutions (eg use a locator constrained
to the curve that follows the mouse that dynamically returns the


  • Prev by Date: How to interpolate vectors?
  • Next by Date: Re: How to get Tooltip value
  • Previous by thread: How to get Tooltip value
  • Next by thread: Re: How to get Tooltip value