[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: how to extract the diagonal entries out of a matrix
|
From: |
John W. Eaton |
|
Subject: |
Re: how to extract the diagonal entries out of a matrix |
|
Date: |
Sat, 7 Feb 2009 01:35:25 -0500 |
On 6-Feb-2009, David Doria wrote:
| A = rand(3,3);
| B = diag(A);
Be careful with diag on arbitrary matrices. If your matrix happens to
sometimes be a vector with more than one element, then diag does
something completely different. For example, try
diag (rand (2, 3))
diag (rand (1, 3))
You can thank Cleve for this (mis)feature.
jwe