7b48b0899970079383ae52ffcd60e1320c60c571,paysage/models/hidden.py,RestrictedBoltzmannMachine,derivatives,#RestrictedBoltzmannMachine#Any#,186

Before Change

        else:
            derivs["visible_bias"] = -visible
            derivs["hidden_bias"] = -mean_hidden
            derivs["weights"] = -numpy.outer(visible, mean_hidden)
        return derivs


//TODO:

After Change

        if len(mean_hidden.shape) == 2:
            derivs["visible_bias"] = -B.mean(visible, axis=0)
            derivs["hidden_bias"] = -B.mean(mean_hidden, axis=0)
            derivs["weights"] = -B.dot(visible.T, mean_hidden) / len(visible)
        else:
            derivs["visible_bias"] = -visible
            derivs["hidden_bias"] = -mean_hidden
            derivs["weights"] = -B.outer(visible, mean_hidden)

Instances