Environment for creative processing of text and numerical data

Matrix inversion

Beginning status (before activations):

   1 *
   2 *Let us invert the matrix A and then check the inverse.
   3 *
   4 *MATRIX A ///
   5 *12 -5  7
   6 * 6  1  8
   7 *10  5  3
   8 *
   9 *MAT SAVE A
  10 *MAT B=INV(A)
  11 *MAT LOAD B,END+2
  12 *MAT C=A*B
  13 *MAT LOAD C,12.1234567890123,END+2
  14 *

Ending status (after activations):

   1 *
   2 *Let us invert the matrix A and then check the inverse.
   3 *
   4 *MATRIX A ///
   5 *12 -5  7
   6 * 6  1  8
   7 *10  5  3
   8 *
   9 *MAT SAVE A
  10 *MAT B=INV(A)       / *B~INV(A) 3*3
  11 *MAT LOAD B,END+2
  12 *MAT C=A*B          / *C~A*INV(A) 3*3
  13 *MAT LOAD C,12.1234567890123,END+2  
  14 *
  15 *MATRIX B
  16 *INV(A)
  17 *///             1        2        3
  18 *  1       0.06026 -0.08143  0.07655
  19 *  2      -0.10098  0.05537  0.08795
  20 *  3      -0.03257  0.17915 -0.06840
  21 *
  22 *MATRIX C
  23 *A*INV(A)
  24 *///                     1                2                3
  25 *  1       1.0000000000000  0.0000000000000 -0.0000000000000
  26 *  2      -0.0000000000000  1.0000000000000  0.0000000000000
  27 *  3      -0.0000000000000  0.0000000000000  1.0000000000000
  28 *

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