# Dividing matrix in four parts

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Maryam Hamrahi il 27 Giu 2016
Commentato: Maryam Hamrahi il 27 Giu 2016
I have a matrix with three columns and n rows.
I would like to produce four matrices with three columns and different rows. it is not important that matrices do not have the same rows.
For instance:
A has 210 rows.
I want to have B with 40 rows, C with 60 rows, D with 30 rows, and E with 80 rows.
Thanks a lot for help.
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### Risposte (2)

Azzi Abdelmalek il 27 Giu 2016
A=rand(210,3);
out=mat2cell(A,[40 60 30 80]',3)
out{1}
out{2}
out{3}
out{4}
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Maryam Hamrahi il 27 Giu 2016
many thank for the response. I want to have a code which work with different A

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Jan Orwat il 27 Giu 2016
Modificato: Jan Orwat il 27 Giu 2016
A = zeros(210,3); %example
split = [40 60 30 80];
A_split = mat2cell(A,split);
[B, C, D, E] = A_split{:};
doc mat2cell
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Maryam Hamrahi il 27 Giu 2016
Many thanks for the response. But A was just an example.
I want a code to work for every matrix with n rows and three columns.

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