Matlab diary from CS 290H, Monday, April 28, 2014

This is /Users/gilbert/Documents/CS290hSpring2014/Matlab/startup.m
Starting diary file diary-28-Apr-2014.txt


> LanczosDemo
> whos
  Name                     Size              Bytes  Class     Attributes

  A                     1000x1000            23992  double    sparse    
  displayselection         1x1                   8  double              
  e                     1000x1                8000  double              
  m                        1x1                   8  double              
  maxe                     1x1                   8  double              
  mine                     1x1                   8  double              
  mm1                      1x1                   8  double              
  mm2                      1x1                   8  double              
  q                     1000x1                8000  double              
  recomp                   1x1                   8  double              
  steplabel                1x15                120  double              
  whichbound               1x1                   8  double              

> sort(e)
ans =
  -3.026665892769740
  -2.814111235789722
  -2.700001000000000
  -2.700000000000000
  -2.639617982001896
  ...
   2.567541525093273
   2.590000000000000
   2.599089388576309
   2.702868092389970
   2.814172761275914

> plot(sort(e),'.')
> se = sort(e);
> se(1:10)
ans =
  -3.026665892769740
  -2.814111235789722
  -2.700001000000000
  -2.700000000000000
  -2.639617982001896
  -2.628007693328433
  -2.570669742556306
  -2.481720296617010
  -2.453041863767092
  -2.405710960666630

> LanczosFullReorthog
    ...
largest deviation of singular value of Lanczos vector matrix Q from 1 =
ans =
     6.661338147750939e-16
done with extracting eigenvalues, bounds
done with figure 1
pause (hit return to continue)

??? Operation terminated by user ???

> clear
> clc

> LanczosDemo
> m=150;
> LanczosNoReorthog
   ...
done with extracting eigenvalues, bounds
pause (hit return to continue)

done with figure 1
pause (hit return to continue)

??? Operation terminated by user ???

diary off