Select rows and columns

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Sam
Sam 2015-6-12
编辑： Azzi Abdelmalek 2015-6-12
Hello,
In attachment my dataset. I have to select the 3 first columns and the 8 first rows, all the data in it. How do I do this?

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Azzi Abdelmalek
Azzi Abdelmalek 2015-6-12
编辑：Azzi Abdelmalek 2015-6-12
A(1:8,1:3)
Example
A=randi(9,10,5)
out=A(1:8,1:3)
Read this http://www.mathworks.com/help/matlab/learn_matlab/array-indexing.html

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