15-May-2025 06:25:16

gmres_test():
  MATLAB/Octave version 6.4.0.
  Test gmres().

gmres_helmert():
  Test gmres() on the Helmert matrix.
  Number of variables N = 10
  Estimated condition number = 1

  Norm of residual |Ax-b| = 7.97218e-16
  Norm of error |x1-x2| = 7.85046e-16

gmres_lesp():
  Test gmres() on the Lesp matrix.
  Number of variables N = 100
  Estimated condition number = 67.4852

  Full iteration number = 1
  Norm of residual |Ax-b| = 4.87134e-07
  Norm of error |x1-x2| = 2.26951e-08

  Full iteration number = 2
  Norm of residual |Ax-b| = 3.00495e-07
  Norm of error |x1-x2| = 1.61248e-08

  Full iteration number = 3
  Norm of residual |Ax-b| = 2.15132e-07
  Norm of error |x1-x2| = 1.2199e-08

  Full iteration number = 4
  Norm of residual |Ax-b| = 1.82273e-07
  Norm of error |x1-x2| = 1.08323e-08

gmres_invol():
  Test gmres() on the invol matrix.
  Number of variables N = 20
  Estimated condition number = 4.8261e+20

  Full iteration number = 1
  Norm of residual |Ax-b| = 865308
  Norm of error |x1-x2| = 2.54125e+08

  Full iteration number = 2
  Norm of residual |Ax-b| = 433726
  Norm of error |x1-x2| = 2.54125e+08

  Full iteration number = 3
  Norm of residual |Ax-b| = 382245
  Norm of error |x1-x2| = 2.54125e+08

  Full iteration number = 4
  Norm of residual |Ax-b| = 610666
  Norm of error |x1-x2| = 2.54125e+08

gmres_test():
  Normal end of execution.

15-May-2025 06:25:16