Mathematica 9 is now available
Services & Resources / Wolfram Forums
-----
 /
MathGroup Archive
2007
*January
*February
*March
*April
*May
*June
*July
*August
*September
*October
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 2007

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

Search the Archive

Re: Re: 2D Convolution

  • To: mathgroup at smc.vnet.net
  • Subject: [mg76236] Re: [mg76199] Re: 2D Convolution
  • From: Murray Eisenberg <murray at math.umass.edu>
  • Date: Fri, 18 May 2007 06:13:26 -0400 (EDT)
  • Organization: Mathematics & Statistics, Univ. of Mass./Amherst
  • References: <f29389$m7p$1@smc.vnet.net> <200705171013.GAA01500@smc.vnet.net>
  • Reply-to: murray at math.umass.edu

Of course you can copy without getting gibberish: Use Edit > Copy As > 
Plain Text (Windows shortcut Ctrl-Shift-C).

CKWong wrote:
> I've just learned the hard way that you cannot copy the contents of a
> Mathematica notebook to a posting to this group.  My last 2 postings
> had thus become gibberish.  Many apologies.
> 
> In the off-chance that you are still interested, here is my version of
> the Convolve function:
> 
> Convolve[ f_, g_, x_?NumberQ, y_?NumberQ] := NIntegrate[ f[xp,yp] *
> g[x-xp,y-yp] , {xp,-Infinity,Infinity}, {yp,-Infinity,Infinity} ]
> 
> Sample usage:
> Convolve[SHole, Gaussian2D, 0, 0]
> 
> Plot3D[Convolve[SHole, Gaussian2D, x, y] // Evaluate, {x, -4
> BeamRadius, 4
>       BeamRadius}, {y, -4 BeamRadius, 4 BeamRadius}, PlotRange -> All]
> 
> 
> 
> 
> 

-- 
Murray Eisenberg                     murray at math.umass.edu
Mathematics & Statistics Dept.
Lederle Graduate Research Tower      phone 413 549-1020 (H)
University of Massachusetts                413 545-2859 (W)
710 North Pleasant Street            fax   413 545-1801
Amherst, MA 01003-9305


  • Prev by Date: Re: Mathematica 6.0 and MatrixManipulations
  • Next by Date: Re: Mathematica 6.0 and MatrixManipulations
  • Previous by thread: Re: 2D Convolution
  • Next by thread: Re: 2D Convolution