#Computing L1 loss with same values
#Calculating the L2 loss
temp = tf.abs(Y_truth - Y_pred)
L1_val = sess.run(temp)
#ploting the predicted values against the L2 loss
Y_array = sess.run(Y_pred)
plt.plot(Y_array, L1_val, 'r-' )
plt.title('L1 loss')
plt.xlabel('$Y_{pred}$', fontsize=15)
plt.ylabel('$Y_{true}$', fontsize=15)