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extract non-zeros block from matrice

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khatere darvish
khatere darvish 2018-2-26
评论： khatere darvish 2018-2-27
I have a matrix that contains several non-zeros blocks.The rest of the elements are zero. I want to put each of these blocks in a separate matrix. how can i do it?

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jonas
jonas 2018-2-26
Not sure exactly what you want to do. The following creates a vector B containing all non-zeros of A
B=A(A~=0)
Do you want to extract several small matrices from a larger global matrix?
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Jan
Jan 2018-2-26
Do you have the image processing toolbox?
khatere darvish
khatere darvish 2018-2-27
yes i have it. thank you so much for your help

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