add_function

core.Global.add_function(function)

Defines a global function which can be used by all neurons and synapses.

The function must have only one return value and use only the passed arguments.

Examples of valid functions:

ann.add_function('logistic(x) = 1 / (1 + exp(-x))')

ann.add_function('''
    piecewise(x, a, b) = if x < a:
                            a
                         else: 
                            if x > b :
                                b
                            else:
                                x
''')

Please refer to the manual to know the allowed mathematical functions.

Parameters

Name	Type	Description	Default
function	str	(multi)string representing the function.	required