first.m

Error(s), warning(s):

warning: matrix singular to machine precision, rcond = 2.63392e-18
warning: called from
    1772065959/source_rextester.m at line 26 column 3

x =

    9   27   21   29   10
   41   40   36   38   12
   25   13   20   48   40
   32   15   41   37   12

y =

   55    5   58   58   19
    8   29   49   53    1
   29    8   23   32   46
   48    6    4   60   17

z =

   64   32   79   87   29
   49   69   85   91   13
   54   21   43   80   86
   80   21   45   97   29

w =

  -46   22  -37  -29   -9
   33   11  -13  -15   11
   -4    5   -3   16   -6
  -16    9   37  -23   -5

x1 =

    9   41   25   32
   27   40   13   15
   21   36   20   41
   29   38   48   37
   10   12   40   12

y1 =

   55    8   29   48
    5   29    8    6
   58   49   23    4
   58   53   32   60
   19    1   46   17

p1 =

   3720   3431   2348   2588
   6975   5278   4105   4836
   6144   4141   4665   4918
   6587   4673   3727   4214

p2 =

   3084   1626   3234   5415   1906
   2902   1489   3885   5002   1406
   3991   1555   3606   6226   2052
   5067   1853   4796   7452   3426
   2382    790   2136   3216   2246

D1 =    1.5686e+12
d2 =  0.54478
I1 =

  -6.7876e-04  -6.8374e-04  -2.4599e-04   1.4886e-03
   1.2086e-03  -3.0646e-05  -2.4318e-04  -4.2330e-04
   1.7090e-03  -3.4739e-03   9.5478e-04   1.8228e-03
  -1.7908e-03   4.1752e-03  -1.9025e-04  -3.2323e-03

I2 =

  -7.8670e+11   9.5290e+11   2.6154e+12  -3.6655e+12   3.2729e+12
  -1.2266e+12   1.4858e+12   4.0779e+12  -5.7153e+12   5.1032e+12
   9.8499e+10  -1.1931e+11  -3.2746e+11   4.5894e+11  -4.0979e+11
   6.9553e+11  -8.4248e+11  -2.3123e+12   3.2407e+12  -2.8937e+12
   1.7619e+11  -2.1341e+11  -5.8574e+11   8.2093e+11  -7.3301e+11

a =

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

b =

   1  -0  -0   1   2
   0   1  -0   2  -1
  -1   1   2  -6   5
  -0   2   4  -3   8
  -0   0   1  -2   2