84f1342d0592b04be61d012a4d5a8b879d3bd124,paysage/fit.py,DrivenSequentialMC,update_beta,#DrivenSequentialMC#,99

Before Change

        self.beta *= self.beta_momentum
        self.beta += self.beta_loc
        self.beta += self.beta_scale * numpy.random.randn(len(self.beta),1)

    def update_state(self, steps):
        if not self.has_state:
            raise AttributeError(

After Change

            self.beta_shape = (len(self.state), 1)
            self.beta_loc = (1-self.beta_momentum) * be.ones(self.beta_shape)
            self.beta_scale *= math.sqrt(1-self.beta_momentum**2)
            self.beta = be.ones(self.beta_shape)

        self.beta *= self.beta_momentum
        self.beta += self.beta_loc
        self.beta += self.beta_scale * be.randn(self.beta_shape)

Instances