27-Jun-2022 12:42:37

asa121_test():
  MATLAB/Octave version 9.8.0.1380330 (R2020a) Update 2
  Test asa121().

asa121_test01():
  trigamma() computes the trigamma function.
  Compare the result to tabulated values.

          X         FX                        FX2
                    (Tabulated)               (TRIGAMMA)              DIFF

        1.0000    1.6449340668482260e+00    1.6449340654732836e+00  1.3749e-09
        1.1000    1.4332991507927590e+00    1.4332991496822423e+00  1.1105e-09
        1.2000    1.2673772054237791e+00    1.2673772045232341e+00  9.0054e-10
        1.3000    1.1342534349966189e+00    1.1342534342635211e+00  7.3310e-10
        1.4000    1.0253565905295969e+00    1.0253565899305868e+00  5.9901e-10
        1.5000    9.3480220054467933e-01    9.3480220005347148e-01  4.9121e-10
        1.6000    8.5843189312457990e-01    8.5843189272037690e-01  4.0420e-10
        1.7000    7.9323283016399837e-01    7.9323282983027565e-01  3.3372e-10
        1.8000    7.3697413750170016e-01    7.3697413722527694e-01  2.7642e-10
        1.9000    6.8797205824263563e-01    6.8797205801295758e-01  2.2968e-10
        2.0000    6.4493406684822641e-01    6.4493406547328358e-01  1.3749e-09

asa121_test():
  Normal end of execution.

27-Jun-2022 12:42:37