07-Jan-2022 18:59:49

diff_center_test():
  MATLAB/Octave version 9.8.0.1380330 (R2020a) Update 2
  Test diff_center():

  For f(x)=sin(x), estimate f'(0.785398)
  Exact value is 0.707107
    H    Estimate

  1.00000000         0.59501
  0.50000000         0.67801
  0.25000000        0.699764
  0.12500000        0.705267
  0.06250000        0.706647
  0.03125000        0.706992
  0.01562500        0.707078
  0.00781250          0.7071
  0.00390625        0.707105
  0.00195312        0.707106

  Estimate f'(x) for humps function over [0,2]
  at 26 points, using h = 0.080000
  Plot exact and estimated derivatives.
  Graphics saved as "diff_humps.png"

diff_center_test():
  Normal end of execution.
07-Jan-2022 18:59:59