神经网络求导-TensorFlow实现:
data=tf.placeholder(tf.float32)
var=tf.variable()
loss=some_function_of(var,data)
var_grad=tf.gradients(loss,[var])
sess=tf.session()
var_grad_val=sess.run(var_grad,feed_dict={})
神经网络求导-TensorFlow实现:
data=tf.placeholder(tf.float32)
var=tf.variable()
loss=some_function_of(var,data)
var_grad=tf.gradients(loss,[var])
sess=tf.session()
var_grad_val=sess.run(var_grad,feed_dict={})