first.c

Error(s), warning(s):

warning: matrix singular to machine precision, rcond = 1.33009e-18
warning: called from
    1609054334/source_rextester.m at line 26 column 3

x =

   29   32   40   23   47
   48   34   30    1   17
    2   22   40   17    2
   28   44   19   12   26

y =

    7   34   52    6   50
   58   51   29   22    2
    7   48   10   40   41
   56   49   40   13   12

z =

    36    66    92    29    97
   106    85    59    23    19
     9    70    50    57    43
    84    93    59    25    38

w =

   22   -2  -12   17   -3
  -10  -17    1  -21   15
   -5  -26   30  -23  -39
  -28   -5  -21   -1   14

x1 =

   29   48    2   28
   32   34   22   44
   40   30   40   19
   23    1   17   12
   47   17    2   26

y1 =

    7   58    7   56
   34   51   48   49
   52   29   10   40
    6   22   40   13
   50    2   41   12

p1 =

   5859   5074   4986   5655
   3908   5444   3005   5771
   3044   2776   2232   3035
   4052   4735   4044   4952

p2 =

   4569   4902   4040   1674   1964
   4814   6034   4630   2392   3098
   3364   5741   4110   2747   3928
   1010   2237   1875    996   1993
   2785   3835   3997   1074   2778

D1 =    9.7222e+11
D2 =  0.082870
I1 =

  -1.0030e-03  -6.5446e-04   3.0373e-03   4.6642e-05
  -5.8987e-03  -2.5970e-03   9.1892e-03   4.1307e-03
   7.3414e-04  -1.6085e-04  -1.8467e-03   4.8089e-04
   5.8614e-03   3.1501e-03  -9.7637e-03  -4.1787e-03

I2 =

   2.8769e+12  -1.3685e+12  -1.9779e+12   6.3534e+12  -2.2691e+12
  -5.4627e+12   2.5987e+12   3.7557e+12  -1.2064e+13   4.3087e+12
   8.3085e+11  -3.9524e+11  -5.7122e+11   1.8349e+12  -6.5533e+11
   3.8028e+12  -1.8090e+12  -2.6145e+12   8.3984e+12  -2.9995e+12
   1.9914e+12  -9.4735e+11  -1.3692e+12   4.3980e+12  -1.5708e+12

a =

   1  -0  -0   0
   0   1  -0   0
  -0  -0   1   0
   0  -0  -0   1

b =

  -4   5   0  -4   2
  -6   7  -2  -2  -0
  -4   6   0  -6   1
  -1   2  -0  -1  -1
  -4   4  -2   0  -1