Exemplo n.º 1
0
    def fprop(self, H_prev, H, dH):
        dH = None
        self.mu = H_prev[:, :self.size]
        self.log_sigma = H_prev[:, self.size:]

        nn.fill_randn(self.eps)
        # self.eps= nn.ones(self.eps.shape)

        nn.exp(self.log_sigma, self.sigma)

        H[:] = self.mu + self.sigma * self.eps

        return H, dH, self.sigma, self.mu
Exemplo n.º 2
0
    def fprop(self, H_prev, H, dH):
        dH = None
        self.mu = H_prev[:,:self.size]
        self.log_sigma = H_prev[:,self.size:]

        nn.fill_randn(self.eps)
        # self.eps= nn.ones(self.eps.shape)

        nn.exp(self.log_sigma,self.sigma)            

        H[:] = self.mu + self.sigma*self.eps

        return H,dH,self.sigma,self.mu               
Exemplo n.º 3
0
 def load_weights_from(self,net_from,lst_from = None, lst_to = None, init = None):
     if lst_from == None:
         assert lst_to == None
         self.weights.mem[:] = net_from.weights.mem 
     else:
         assert lst_to != None and init != None
         nn.fill_randn(self.weights.mem)
         nn.multiply(self.weights.mem,init)
         for k in lst_from:
             print k
             w_from, b_from = net_from.weights[k]
             w_to, b_to = self.weights[k]
             assert w_from.shape == w_to.shape
             w_to[:], b_to[:] = w_from, b_from
Exemplo n.º 4
0
 def load_weights_from(self,
                       net_from,
                       lst_from=None,
                       lst_to=None,
                       init=None):
     if lst_from == None:
         assert lst_to == None
         self.weights.mem[:] = net_from.weights.mem
     else:
         assert lst_to != None and init != None
         nn.fill_randn(self.weights.mem)
         nn.multiply(self.weights.mem, init)
         for k in lst_from:
             print k
             w_from, b_from = net_from.weights[k]
             w_to, b_to = self.weights[k]
             assert w_from.shape == w_to.shape
             w_to[:], b_to[:] = w_from, b_from
Exemplo n.º 5
0
 def randn(self, k=1.0):
     nn.fill_randn(self.mem)
     self.mem *= k
Exemplo n.º 6
0
 def randn(self,k=1.0):
     nn.fill_randn(self.mem)
     self.mem *= k