Finding 4 connectivity for a matrix

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kash
kash 2012-8-4
I have a matrix
A =
1 5 9
8 2 3
4 8 3
please tell how to find 4 connectivity for this matrix

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venkat vasu
venkat vasu 2012-8-4
编辑：Oleg Komarov 2012-9-3
L = bwlabeln(Matrix)
[L, NUM] = bwlabeln(Matrix)
[L, NUM] = bwlabeln(Matrix, conn)
L, containing labels for the connected components in Matix NUM the number of connected value found in Matrix.
Example:
[L, NUM] = bwlabeln(Matrix,4)

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