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[Octave-bug-tracker] [bug #52425] eigs function regresses


From: A.R. Burgers
Subject: [Octave-bug-tracker] [bug #52425] eigs function regresses
Date: Mon, 20 Nov 2017 07:16:37 -0500 (EST)
User-agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:57.0) Gecko/20100101 Firefox/57.0

Follow-up Comment #10, bug #52425 (project octave):

This is the output I get:


 Ritz values and relative residuals
 ----------------------------------
               Col   1       Col   2
  Row   1:    2.08101D+00   1.27846D-15
  Row   2:    2.08101D+00   8.84108D-16
  Row   3:    5.91899D+00   3.82569D-16
  Row   4:    5.91899D+00   2.57183D-16
                                                                           
  _SDRV1                               
  ======
  Size of the matrix is           20
  The number of Ritz values requested is            4
  The number of Arnoldi vectors generated (NCV) is           20
  What portion of the spectrum: BE
  The number of converged Ritz values is            4
  The number of Implicit Arnoldi update iterations taken is            1
  The number of OP*x is           20
  The convergence criterion is    1.1102230246251565E-016


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