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MathGroup Archive 2007

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Re: 2D Convolution

  • To: mathgroup at smc.vnet.net
  • Subject: [mg76141] Re: 2D Convolution
  • From: CKWong <CKWong.P at gmail.com>
  • Date: Wed, 16 May 2007 05:52:28 -0400 (EDT)
  • References: <f29389$m7p$1@smc.vnet.net><f29bko$pjn$1@smc.vnet.net>

Errata:
g should be the kernel in the function

Convolve[f_, g_, x_?NumberQ, y_?NumberQ] := NIntegrate[f[
    xPrime, yPrime] *g[x - xPrime,
  y - yPrime], {xPrime, -=A1=DB, =A1=DB}, {yPrime, -=A1=DB, =A1=DB}]

Sorry for the snafu.



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