Select rows and columns

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?

Answer 1

[Azzi Abdelmalek]

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