Drexel dragonThe Math ForumDonate to the Math Forum


Math Forum
 Ask Dr. Math
 Discussions
 Internet Newsletter
 MathTools
 Problems of the Week
 Teacher2Teacher
 Teacher Exchange
 Workshops

Search All of the Math Forum:
Browse our Internet Mathematics Library

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: Matrix variable with parametric elements
Replies: 10   Last Post: Dec 26, 2012 5:38 PM

Advanced Search
Reply to this Topic Reply to this Topic

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
Michael Doukas

Posts: 12
Registered: 12/26/12
Re: Matrix variable with parametric elements
Posted: Dec 26, 2012 9:54 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

"Roger Stafford" wrote in message <kbf08g$g99$1@newscl01ah.mathworks.com>...
> - - - - - - - - - - -
> Let c be a row vector which gives the initial value of each column integer range together with a final element which is 1 greater than the end of the last range. (In your example it would be as below.)
>
> c = [0,3,5,8,12,23,25,27,40,53];
> n = length(c)-1;
> m = 40;
> M = floor(repmat(diff(c),m,1).*rand(m,n))+repmat(c(1:n),m,1);
>
> M is your desired matrix.
>
> Roger Stafford

Thank you very much!
This is exactly what I was looking for!

Regards,
Mike

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

[Privacy Policy] [Terms of Use]

© Drexel University 1994-2013. All Rights Reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.