vinhkhuc · January 14, 2018 23:59
diff --git a/simple_derivative.py b/simple_derivative.py
 from theano import tensor as T, function
 x  = T.dscalar('x')
 y  = x ** 2
 dy = T.grad(cost=y, wrt=x) # Preparing symbolic gradient
 df  = function(inputs=[x], outputs=dy)
 print(df(4)) # Output: 8
	from theano import tensor as T, function
	x = T.dscalar('x')
	y = x ** 2
	dy = T.grad(cost=y, wrt=x) # Preparing symbolic gradient
	df = function(inputs=[x], outputs=dy)
	print(df(4)) # Output: 8