Krylov.mX

Error(s), warning(s):

warning: matrix singular to machine precision, rcond = 2.77995e-18
warning: called from
    source_file_rextester.m at line 8 column 6

resid =

 Columns 1 through 6:

   1.1062e+00   3.4916e-01   8.2537e-02   1.5023e-02   2.0387e-03   2.0386e-03

 Column 7:

   2.0384e-03

xm =

   4.5161e+00
  -8.0351e+01
   2.6449e+02
  -9.7097e+01
  -2.7637e+02
  -1.1597e+02
   3.3162e+02

A*xm
   9.9999e-01
   9.9987e-01
   1.0007e+00
   9.9875e-01
   1.0002e+00
   1.0012e+00
   9.9922e-01
bicgstab converged at iteration 26 to a solution with relative residual 8.695495e-13
xm =

   7.0000e+00
  -3.3600e+02
   3.7800e+03
  -1.6800e+04
   3.4650e+04
  -3.3264e+04
   1.2012e+04

res =    2.3739e-12
   1.0000e+00
   1.0000e+00
   1.0000e+00
   1.0000e+00
   1.0000e+00
   1.0000e+00
   1.0000e+00