26-Feb-2024 20:39:23

cpr_test():
  MATLAB/Octave version 9.14.0.2306882 (R2023a) Update 4.
  Test cpr().

chebyshev_interpolation_matrix_test():
  chebyshev_interpolation_matrix() computes the
  chebyshev interpolation matrix C such that
  given fd, values of f(x) on the Chebyshev Lobatto grid
  the Chebyshev interpolant coefficients are fc = C*fd

  fd:
   -1.0000
    0.7071
         0
   -0.7071
    1.0000


  C:
    0.1250    0.2500    0.2500    0.2500    0.1250
    0.2500    0.3536    0.0000   -0.3536   -0.2500
    0.2500    0.0000   -0.5000   -0.0000    0.2500
    0.2500   -0.3536   -0.0000    0.3536   -0.2500
    0.1250   -0.2500    0.2500   -0.2500    0.1250


  fc:
    0.0000
         0
    0.0000
   -1.0000
   -0.0000


chebyshev_lobatto_grid_test():
  Test chebyshev_lobatto_grid().
  Graphics saved as "chebyshev_lobatto_grid_test.png"

p =

    5.6250   -3.0312    0.1875    0.0312


p =

     0     0     1

         0    1.0000
    0.5000         0


ev =

    0.7071
   -0.7071


p =

     0     0     0     1

         0    1.0000         0
    0.5000         0    0.5000
         0    0.5000         0


ev =

   -0.8660
    0.0000
    0.8660


cpr_test():
  Normal end of execution.

26-Feb-2024 20:39:28