Class ToyLossLayer

lstm_code/nicodjimenez/test2.py:6–18

Computes square loss with first element of hidden layer array.

from lstm import LstmParam, LstmNetwork

class ToyLossLayer:
    """
    Computes square loss with first element of hidden layer array.
    """
    @classmethod
    def loss(self, pred, label):
        return (pred[0] - label) ** 2

    @classmethod
    def bottom_diff(self, pred, label):
        diff = np.zeros_like(pred)
        diff[0] = 2 * (pred[0] - label)
        return diff

class Primes:
    def __init__(self):