Re: Where does the 'z' come from?
- To: mathgroup at smc.vnet.net
- Subject: [mg105421] Re: Where does the 'z' come from?
- From: dh <dh at metrohm.com>
- Date: Tue, 1 Dec 2009 06:51:07 -0500 (EST)
- References: <hf2msf$iel$1@smc.vnet.net>
Lawrence Teo wrote:
> Mathematica v7.0 has this sample for ContourPlot[]
>
> ListContourPlot[
> Table[Sin[x] Sin[y], {x, -3, 3, 0.1}, {y, -3, 3, 0.1}],
> ContourLabels ->
> Function[{x, y, z}, Text[Framed[z], {x, y}, Background -> White]]]
>
> Where does the z come from?
> Can I say that the x and y come from the iteration by Table[]?
> Is z an implicit variable?
>
> Thanks
>
Hi,
z is the thir argument of the function. It is delivered by
ListContourPlot. It is the value corresponding to the contour line. x
and y are the coordinates of the label.
Daniel