Krylov.mE

Error(s), warning(s):

warning: matrix singular to machine precision, rcond = 5.04489e-19
warning: called from
    source_file_rextester.m at line 8 column 6

resid =

 Columns 1 through 6:

   1.3911e+00   5.0197e-01   1.4419e-01   3.4485e-02   6.9406e-03   6.9406e-03

 Columns 7 through 10:

   6.9406e-03   6.9406e-03   6.9406e-03   6.9406e-03

xm =

   4.1621e+00
  -5.6199e+01
   1.1896e+02
   4.0759e+01
  -5.9973e+01
  -1.1045e+02
  -1.0105e+02
  -4.0665e+01
   5.8454e+01
   1.8521e+02

A*xm
   1.0000e+00
   9.9915e-01
   1.0031e+00
   9.9782e-01
   9.9732e-01
   9.9979e-01
   1.0022e+00
   1.0028e+00
   1.0010e+00
   9.9660e-01
bicgstab stopped at iteration 150 without converging to the desired toleranc 1.000000e-12
because the maximum number of iterations was reached.
The iterate returned (number 150) has relative residual 5.085398e-07
xm =

   7.7016e+00
  -5.7294e+02
   1.0081e+04
  -7.1392e+04
   2.4065e+05
  -3.8030e+05
   1.5412e+05
   3.1142e+05
  -4.0781e+05
   1.4388e+05

res =    1.6082e-06