Rank: 2573 based on 45 downloads (last 30 days) and 4 files submitted
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Uriel Roque

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Electronics engineer working on instrumentation and software development for the optics industry.


 

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Files Posted by Uriel Roque View all
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(last 30 days)
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18 Apr 2007 active set algorithm solve linear least squares problem with nonnegative variables Author: Uriel Roque linear algebra, nnls, nvlsq, linear, least squares, problems 14 3
  • 2.66667
2.7 | 3 ratings
03 May 2006 newton's algorithm for nnls Solves the linear least squares problem with nonnegative variables using the newton's algorithm Author: Uriel Roque linear algebra, newton, interiorpoint, nnls, nvlsq, mathematics 5 1
  • 4.0
4.0 | 1 rating
03 May 2006 predictor-corrector algorithm Solves linear least squares with nonnegative variables Author: Uriel Roque linear algebra, nnls, nvlsq, predictorcorrector, mathematics 19 2
  • 3.0
3.0 | 1 rating
02 May 2006 nnls block principal pivoting algorithm Author: Uriel Roque optimization, nnls, nvlsq, block pivoting 7 2
  • 4.5
4.5 | 2 ratings
Comments and Ratings on Uriel Roque's Files View all
Updated File Comment by Comments Rating
02 May 2014 predictor-corrector algorithm Solves linear least squares with nonnegative variables Author: Uriel Roque morteza habibi

its very good

15 Feb 2012 predictor-corrector algorithm Solves linear least squares with nonnegative variables Author: Uriel Roque Stephen Becker

For a matrix with 600 rows and 500 columns, this function was quite slow. I would recommend another method. The 'active set' and 'block pivot' methods by the same author are both much faster. Those codes are:
http://www.mathworks.com/matlabcentral/fileexchange/10908-active-set-algorithm
and
http://www.mathworks.com/matlabcentral/fileexchange/8157-nnls

02 Mar 2008 predictor-corrector algorithm Solves linear least squares with nonnegative variables Author: Uriel Roque

29 Oct 2007 newton's algorithm for nnls Solves the linear least squares problem with nonnegative variables using the newton's algorithm Author: Uriel Roque

good

17 Apr 2007 active set algorithm solve linear least squares problem with nonnegative variables Author: Uriel Roque

I experienced the same bug as the first comment.

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