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## [Help-gsl] how to perform 2D convolution of two gsl_matrix

**From**: |
Abhishek Dutta |

**Subject**: |
[Help-gsl] how to perform 2D convolution of two gsl_matrix |

**Date**: |
Fri, 19 Dec 2008 16:30:55 +0545 |

Hi,
I want to perform the 2D convolution of two gsl_matrix (similar to the conv2
method in matlab). Is there a single method to achieve this? Or should I
perform the convolution using the following technique
1. take fft of these two signals
2. multiply the resulting fft
3. take inverse fft
This method would be a good choice as both the matrices (gsl_matrix) have
same dimensions. Is there any other method to achieve this task?
bye
--
Abhishek
http://adutta.np.googlepages.com

**[Help-gsl] how to perform 2D convolution of two gsl_matrix**,
*Abhishek Dutta* **<=**