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Re: extracting rows in a matrix
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From: |
John W. Eaton |
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Subject: |
Re: extracting rows in a matrix |
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Date: |
Wed, 13 May 2009 09:27:00 -0400 |
On 13-May-2009, Carlo Rossi wrote:
| this is very cool but actually I need to write something that is good
| for Matlab too; and I notice only now that it doens't work in Matlab
| B = A(randperm (size (A, 1)), :)(1:size (A, 1)/5, :);
Then write it like this:
tmp = A(randperm (size (A, 1)), :);
B = tmp(1:size (A, 1)/5, :);
jwe