Machine Learning, Deep Learning, Theano, TensorFlow, Framework.
https://www.tensorflow.org/how_tos/adding_an_op/ [11] http://deeplearning.net/software/theano/tutorial/gradients.html [12] http://deeplearning.net/software/theano/extending/extending_theano_c.html#methods-the-c-op-needs-to-define [13] Both TensorFlow and Caffe do this. [14] If you are interested,