10 May 2025 01:19:41 PM

sigmoid_test():
  C version
  Test sigmoid().

sigmoid_coef_test():
  sigmoid_coef() returns the coefficients of
  the expansion of the nth derivative of the sigmoid
  function in terms of powers of the sigmoid function.

  s^(0)(x) =          +              1 * s(x)

  s^(1)(x) =          +              1 * s(x)
         -              1 * s(x) ^ 2

  s^(2)(x) =          +              1 * s(x)
         -              3 * s(x) ^ 2
         +              2 * s(x) ^ 3

  s^(3)(x) =          +              1 * s(x)
         -              7 * s(x) ^ 2
         +             12 * s(x) ^ 3
         -              6 * s(x) ^ 4

  s^(4)(x) =          +              1 * s(x)
         -             15 * s(x) ^ 2
         +             50 * s(x) ^ 3
         -             60 * s(x) ^ 4
         +             24 * s(x) ^ 5

sigmoid_value_test():
  sigmoid_value() evaluates the nth derivative
  of the sigmoid function at the location x.
  Created graphics data file 'sigmoid_0_data.txt'
  Created command file 'sigmoid_0_commands.txt'
  Created graphics data file 'sigmoid_1_data.txt'
  Created command file 'sigmoid_1_commands.txt'
  Created graphics data file 'sigmoid_2_data.txt'
  Created command file 'sigmoid_2_commands.txt'
  Created graphics data file 'sigmoid_3_data.txt'
  Created command file 'sigmoid_3_commands.txt'

sigmoid_test():
  Normal end of execution.

10 May 2025 01:19:41 PM