prog2

Error(s), warning(s):

warning: matrix singular to machine precision, rcond = 1.7268e-18
warning: called from
    857254789/source_rextester.m at line 30 column 3

x =

    4   39   26   31   21
   19    3   45   43   17
   30   22    3    7   16
    1   37   14   20   29

y =

   20   10   25   45   59
   57   42   30   21   30
   49   48   14   38   12
   54   38   42   42   24

z =

   24   49   51   76   80
   76   45   75   64   47
   79   70   17   45   28
   55   75   56   62   53

w =

  -16   29    1  -14  -38
  -38  -39   15   22  -13
  -19  -26  -11  -31    4
  -53   -1  -28  -22    5

x1 =

    4   19   30    1
   39    3   22   37
   26   45    3   14
   31   43    7   20
   21   17   16   29

y1 =

   20   57   49   54
   10   42   48   38
   25   30   14   42
   45   21   38   42
   59   30   12   24

p1 =

   3754   3927   3862   4596
   4473   3972   3543   5244
   2154   3351   3026   3260
   3351   3321   3129   3584

p2 =

   2687   2316   1132   1761   1190
   4027   2978   2927   4208   3543
   3988   2826   2630   2817   3256
   4494   3212   3003   3404   3683
   3739   2794   2477   3128   2637

D1 =   -1.0428e+12
D2 = -0.11407
I1 =

  -6.2651e-04  -3.4239e-05  -7.2137e-04   1.5097e-03
  -3.4470e-03   7.9832e-04   1.7103e-03   1.6966e-03
   3.2142e-03  -1.6359e-03  -1.1660e-03  -6.6772e-04
   9.7363e-04   7.2045e-04   1.0765e-04  -2.1216e-03

I2 =

  -3.4788e+10  -1.6064e+12  -9.8744e+12   1.0677e+13  -5.4561e+11
   3.5218e+10   1.6263e+12   9.9966e+12  -1.0809e+13   5.5236e+11
   1.8210e+10   8.4090e+11   5.1689e+12  -5.5889e+12   2.8561e+11
  -7.5604e+09  -3.4912e+11  -2.1460e+12   2.3204e+12  -1.1858e+11
   3.8736e+09   1.7887e+11   1.0995e+12  -1.1889e+12   6.0754e+10

a =

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

b =

    1    1    4   -2   -0
    0    3    8  -11    0
    0    1    7   -5    0
    0    0    9   -1   -0
    0    1    3   -2    1