forum.alglib.net

ALGLIB forum
It is currently Thu Mar 28, 2024 7:55 pm

All times are UTC


Forum rules


1. This forum can be used for discussion of both ALGLIB-related and general numerical analysis questions
2. This forum is English-only - postings in other languages will be removed.



Post new topic Reply to topic  [ 12 posts ]  Go to page Previous  1, 2
Author Message
 Post subject: Re: Levenberg Marquardt, beginners question
PostPosted: Tue Jul 19, 2016 1:29 pm 
Offline
Site Admin

Joined: Fri May 07, 2010 7:06 am
Posts: 903
> Thank you. Does this mean that a good choice of scaling
> is to set the scaling equal to my upper bounds?
In most cases - yes. However, if you have coefficient whose bounds are [0.001,1], lower bound seems to be more appropriate.


Top
 Profile  
 
 Post subject: Re: Levenberg Marquardt, beginners question
PostPosted: Wed Jul 20, 2016 1:36 pm 
Offline

Joined: Tue Jul 12, 2016 10:18 am
Posts: 6
>> In most cases - yes. However, if you have coefficient whose bounds are [0.001,1], lower bound seems to be more appropriate.

How can I know if upper or lower bound is more appropiate for the selection of the scaling coefficient?


Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 12 posts ]  Go to page Previous  1, 2

All times are UTC


Who is online

Users browsing this forum: No registered users and 49 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
cron
Powered by phpBB © 2000, 2002, 2005, 2007 phpBB Group