Class _Function

functions.py:20–49

A representation of a mathematical relationship, a node in a program. This object is able to be called with NumPy vectorized arguments and return a resulting vector based on a mathematical relationship. Parameters ---------- function : callable A function with signature

ind_label = pd.DataFrame()

class _Function(object):

    """A representation of a mathematical relationship, a node in a program.

    This object is able to be called with NumPy vectorized arguments and return
    a resulting vector based on a mathematical relationship.

    Parameters
    ----------
    function : callable
        A function with signature function(x1, *args) that returns a Numpy
        array of the same shape as its arguments.

    name : str
        The name for the function as it should be represented in the program
        and its visualizations.

    arity : int
        The number of arguments that the ``function`` takes.

    """

    def __init__(self, function, name, arity, para):
        self.function = function
        self.name = name
        self.arity = arity
        self.para = para

    def __call__(self, *args):
        return self.function(*args)


def make_function(function, name, arity, wrap=True):