logistic_test
  Python version: 3.6.8
  logistic evaluates the logistic function.

      X         logistic( 1.0 , 2.0 , 3.0 ,x)

          -2  6.14417e-06
        -1.5  2.75357e-05
          -1  0.000123395
        -0.5  0.000552779
           0  0.00247262
         0.5   0.0109869
           1   0.0474259
         1.5    0.182426
           2         0.5
         2.5    0.817574
           3    0.952574
         3.5    0.989013
           4    0.997527
         4.5    0.999447
           5    0.999877
         5.5    0.999972
           6    0.999994
         6.5    0.999999
           7           1
         7.5           1
           8           1

logistic_test
  Normal end of execution.

logistic_plot:
  Plot the function logistic( 1.0 , 2.0 , 3.0 ).

  Graphics saved as "logistic_plot.png"

logistic_plot
  Normal end of execution.