[UDACITY] Deep Learning: L1 Machine Learning to Deep Learning

Softmax

wiki: softmax function

softmax function in python: https://gist.github.com/stober/1946926

http://stackoverflow.com/questions/34968722/softmax-function-python
*numpy.sum: http://docs.scipy.org/doc/numpy-1.10.1/reference/generated/numpy.sum.html

def softmax(x):
    """Compute softmax values for each sets of scores in x."""
    e = np.exp(x)
    dist = e / np.sum(e, axis=0) """Don't forget to specify axis=0"""
    return dist