15-May-2025 20:34:01

r8crs_test():
  MATLAB version
  Test r8crs().

r8crs_dif2_test
  r8crs_dif2 sets up a second difference matrix
  using compressed row storage (CRS).

  Matrix order N = 5

  The R8CRS second difference matrix:

  Col:       1             2             3             4             5       
  Row
  ---
   1             2            -1             0             0             0  
   2            -1             2            -1             0             0  
   3             0            -1             2            -1             0  
   4             0             0            -1             2            -1  
   5             0             0             0            -1             2  

r8crs_indicator_test
  r8crs_indicator sets up an R8SR indicator matrix;

  Matrix order N = 5

  The R8CRS indicator matrix:

  Col:       1             2             3             4             5       
  Row
  ---
   1            11            12             0             0            15  
   2             0            22             0             0            25  
   3            31             0            33             0             0  
   4            41             0             0            44             0  
   5             0            52            53             0            55  

r8crs_mtv_test
  r8crs_mtv multiplies an R8CRS matrix transposed times a vector.

  Matrix order N = 5

  R8CRS and R8GE products:

       1:        67.9204       67.9204
       2:        65.2517       65.2517
       3:        71.0518       71.0518
       4:         40.029        40.029
       5:        71.4466       71.4466

r8crs_mv_test
  r8crs_mv multiplies an R8CRS matrix by a vector;

  Matrix order N = 5

  R8CRS and R8GE products:

       1:        8.92429       8.92429
       2:        7.91414       7.91414
       3:        14.0697       14.0697
       4:        54.8632       54.8632
       5:        20.6518       20.6518

r8crs_print_test
  r8crs_print prints a R8CRS matrix.

  Matrix order N = 5

  The R8CRS matrix:

  Col:       1             2             3             4             5       
  Row
  ---
   1            11            12             0             0            15  
   2             0            22             0             0            25  
   3            31             0            33             0             0  
   4            41             0             0            44             0  
   5             0            52            53             0            55  

r8crs_print_some_test
  r8crs_print_some prints some of a R8CRS matrix.

  Matrix order N = 5

  Rows 1:N, column 5

  Col:       5       
  Row
  ---
   1            15  
   2            25  
   3             0  
   4             0  
   5            55  

r8crs_random_test
  r8crs_random randomizes a R8SR matrix

  Matrix order N = 5

  The R8CRS random matrix:

  Col:       1             2             3             4             5       
  Row
  ---
   1      0.382608       3.91741             0             0       2.13568  
   2             0       1.38957             0             0     -0.329034  
   3      0.167018             0       2.31612             0             0  
   4      0.704099             0             0     -0.258854             0  
   5             0     0.0192057      -1.33092             0      -1.01001  

r8crs_to_r8ge_test
  r8crs_to_r8ge converts an R8CRS matrix to R8GE format.

  Matrix order N = 5

  The R8CRS matrix:

  Col:       1             2             3             4             5       
  Row
  ---
   1            11            12             0             0            15  
   2             0            22             0             0            25  
   3            31             0            33             0             0  
   4            41             0             0            44             0  
   5             0            52            53             0            55  

  The R8GE matrix:

  Col:       1             2             3             4             5       
  Row
  ---
   1            11            12             0             0            15  
   2             0            22             0             0            25  
   3            31             0            33             0             0  
   4            41             0             0            44             0  
   5             0            52            53             0            55  

r8crs_zeros_test
  r8crs_zeros sets up a zero R8CRS matrix;

  Matrix order N = 5

  The R8CRS zero matrix:

  Col:       1             2             3             4             5       
  Row
  ---
   1             0             0             0             0             0  
   2             0             0             0             0             0  
   3             0             0             0             0             0  
   4             0             0             0             0             0  
   5             0             0             0             0             0  
A =

Compressed Column Sparse (rows = 5, cols = 5, nnz = 4 [16%])

  (1, 1) -> 1
  (5, 1) -> 2
  (1, 3) -> 4
  (2, 5) -> 3


r8ge_to_r8crs_test
  r8ge_to_r8crs converts a general storage (GE)
  matrix to compressed row storage (CRS).

  The R8CRS matrix:

  Col:       1             2             3             4             5       
  Row
  ---
   1             1             0             4             0             0  
   2             0             0             0             0             3  
   3             0             0             0             0             0  
   4             0             0             0             0             0  
   5             2             0             0             0             0  

r8crs_test():
  Normal end of execution.

15-May-2025 20:34:01