Re: Hole/Disk function
- To: mathgroup at smc.vnet.net
- Subject: [mg76107] Re: [mg76024] Hole/Disk function
- From: DrMajorBob <drmajorbob at bigfoot.com>
- Date: Wed, 16 May 2007 05:35:02 -0400 (EDT)
- References: <1565898.1179222749335.JavaMail.root@m35>
- Reply-to: drmajorbob at bigfoot.com
Boole might come in handy; it makes True into 1, False into 0. Bobby On Tue, 15 May 2007 03:45:55 -0500, Mathieu G <ellocomateo at free.fr> wrot= e: > 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 > > -- = DrMajorBob at bigfoot.com