would we ever compute the cost J(θ) on the *test* set?...

How backpropagation through gradient descent represents the error after each forward pass...

Tensorflow - Total Variation Loss - reduce_sum vs reduce_mean?...

Loss implementation in Improved-GAN...

Tensorflow, proper way to define a loss function with element-wise operations...

batch_loss and total_loss=tf.get_total_loss() in tensorflow...

Can somebody help me to correctly derive the loss function?...

How to write the loss when it is the minimum of some function in Tensorflow...

Weighted mse custom loss function in keras...

Keras neural network outputting function parameters / how to construct loss function?...

keras combining two losses with adjustable weights...

Custom loss function in Keras with TensorFlow Backend for images...

Output of tf.softmax_cross_entroy_with_logits unnormalized?...

Max-margin loss in Keras/theano...