mat.m

Error(s), warning(s):

error: 'd1' undefined near line 23 column 1
error: called from
    1055965597/source_rextester.m at line 23 column 1

x =

   48   30   34    2   20
   26   17   15   24   38
   29   19   14   24    5
   21   15   13   23   20

y =

   41   22   55   59   13
   56   34   11   43   42
   59   11    1   55   42
   32   27   19   55   59

z =

   89   52   89   61   33
   82   51   26   67   80
   88   30   15   79   47
   53   42   32   78   79

w =

    7    8  -21  -57    7
  -30  -17    4  -19   -4
  -30    8   13  -31  -37
  -11  -12   -6  -32  -39

x1 =

   48   26   29   21
   30   17   19   15
   34   15   14   13
    2   24   24   23
   20   38    5   20

y1 =

   41   56   59   32
   22   34   11   27
   55   11    1   19
   59   43   55   55
   13   42   42   59

p1 =

   4876   5008   4146   4282
   4175   4827   4652   5138
   3858   3666   3464   3322
   3523   3658   3522   3769

p2 =

   5807   2826   3354   6700   4173
   3783   1852   2141   4371   2787
   3476   1763   2296   4136   2427
   3578   1745    835   3735   3399
   3883   2327   1903   4189   3246