Drexel dragonThe Math ForumDonate to the Math Forum



Search All of the Math Forum:

Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.


Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: Random Matrix help
Replies: 3   Last Post: May 6, 2013 2:40 PM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
Steven Lord

Posts: 17,944
Registered: 12/7/04
Re: Random Matrix help
Posted: May 6, 2013 1:56 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply



"Bruno Luong" <b.luong@fogale.findmycountry> wrote in message
news:km8po4$9m$1@newscl01ah.mathworks.com...

*snip Bruno's approach*

Not bad. Another approach:

n = 5;
A = sign(randn(n));
% Technically you'd need to replace any 0's in A with -1 or 1
% The odds of that happening are so small I'm going to neglect this step for
the example
A = triu(A, 1)+triu(A, 1).'

--
Steve Lord
slord@mathworks.com
To contact Technical Support use the Contact Us link on
http://www.mathworks.com




Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© Drexel University 1994-2014. All Rights Reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.