Navigation Brand and toggle get grouped for better mobile display Toggle navigation i am trask Collect the nav links, forms, and other content for toggling Home about Contact /.navbar-collapse /.container Post Header Posted by iamtrask on July 12, 2015 Post Content Summary: I learn best with toy code that I can play with. This tutorial teaches backpropagation via a very simple toy example, a short python implementation. Edit: Some folks have asked about a followup article, and I'm planning to write one. I'll tweet it out when it's complete at @iamtrask . Feel free to follow if you'd be interested in reading it and thanks for all the feedback! X = np.array([ [0,0,1],[0,1,1],[1,0,1],[1,1,1] ]) y = np.array([[0,1,1,0]]).T syn0 = 2*np.random.random((3,4)) - 1 syn1 = 2*np.random.random((4,1)) - 1 for j in xrange(60000): l1 = 1/(1+np...