Extracting part of a matrix

Question

I have a matrix say (+) order, I want to extract first order matrix, like say

,

I want to extract first

You may need to read something about [indexing](https://www.mathworks.com/company/newsletters/articles/matrix-indexing-in-matlab.html) — rahnema1, Jun 21 '17 at 13:05

score 2 · Accepted Answer · answered Jun 24 '17 at 13:31

As suggested by rahnema1, you can use Matrix Indexing in matlab as follows:

partA = A(1:p, :)

or for your specific example:

partA = A(1:3, :)

Explanation

Further reading

As this seems a basic question to me, it may be useful to have a look at the Getting Started tutorial.

1 Answers1