aplly to matrix a probability distribution for submatrix

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Davide Di Cesare
Davide Di Cesare 2015-11-24
编辑： Mohammad Abouali 2015-11-24
Hello ! I would apply to my matrix , a generical probability distribution (such as normal) for submatrix IXJ ( i = j ) (for example, 4x4 or 3x3) . I'm attaching a picture to explane better my problem. how can I write this code? thanks

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Mohammad Abouali
Mohammad Abouali 2015-11-24
编辑：Mohammad Abouali 2015-11-24
It appears for your case, if your kernel (or probability distribution) is symmetric you can use both conv2() or xcorr2(). If it is not symmetric you should use xcorr2)

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