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: Matrix inversion - linear algebra - higher accuracy for some matrix
rows ? (Tikhonov regularization???)

Replies: 6   Last Post: Sep 11, 2012 12:49 PM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
Matt J

Posts: 4,996
Registered: 11/28/09
Re: Matrix inversion - linear algebra - higher accuracy for some
Posted: Sep 11, 2012 10:18 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

someone <newsboost@gmail.com> wrote in message <k2mkjl$nla$1@dont-email.me>...
> Thanks, Matt... Wow, thanks... I didn't even knew you could do that...
> So for instance I make W ones in the top half and maybe 100 in the
> lowest half ?


You would want to put the larger weights on the good equations, not the bad ones.

> The problem is that I cannot just throw away bad rows

Why not? If they contain bad information, of what benefit are they?

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

[Privacy Policy] [Terms of Use]

© The Math Forum 1994-2015. All Rights Reserved.