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Internet Message Format  |  1993-01-28  |  724 b 
  1. Path: sparky!uunet!utcsri!skule.ecf!torn!spool.mu.edu!darwin.sura.net!sgiblab!nec-gw!nec-tyo!wnoc-tyo-news!news.u-tokyo.ac.jp!ccut!hearn@hilbert.rand.org
  2. Return-Path: <hearn@hilbert.rand.org>
  3. Message-ID: <9301261700.AA09842@hilbert.rand.org>
  4. From: PFENNIGER@obs.unige.ch
  5. Original-To: reduce-forum@rand.org
  6. Subject: Re: ill-posed general linear equation system, inverse problem
  7. Date: Tue, 26 Jan 93 09:00:23 -0800
  8. Sender: hearn@rand.org
  9. Newsgroups: fj.mail-lists.reduce
  10. Distribution: fj
  11. Sender: news@ccut.cc.u-tokyo.ac.jp
  12. Approved: fj.mail-lists.reduce@ccut.cc.u-tokyo.ac.jp
  13. Lines: 3
  14.  
  15. Instead of solving Ax=b where A is ill-conditionned you might think 
  16. to solve ||Ax - b|| min in the least squares sense.  Daniel Pfenniger
  17.  
  18.