Re: Hole/Disk function
- To: mathgroup at smc.vnet.net
- Subject: [mg76117] Re: Hole/Disk function
- From: dimitris <dimmechan at yahoo.com>
- Date: Wed, 16 May 2007 05:40:10 -0400 (EDT)
- References: <f2bs7i$gc0$1@smc.vnet.net>
I guess you really mean
In[14]:=
DHole[x_, y_, HoleSize_] := If[Sqrt[x^2 + y^2] <= HoleSize, 1, 0];
What do you mean "a better way"?
The function looks ok.
In[16]:=
Plot3D[DHole[x, y, 3], {x, -3, 3}, {y, -3, 3}, PlotPoints -> 50,
ColorFunction -> (Hue[2*((1 - #1)/5)] & )]
Dimitris
=CF/=C7 Mathieu G =DD=E3=F1=E1=F8=E5:
> Hello,
> Is there a better way to define a Disk/Hole function than that?:
>
> DHole[x_, y_] := If[Sqrt[x^2 + y^2] <= HoleSize, 1, 0];
>
> I would like to use it for a convolution using the definition as shown
> in http://oldsite.vislab.usyd.edu.au/CP3/Four5/mod2-01.gif
>
> Best regards,
> MG
