9a97ad7348987ecaeecbc7eae49346bb17d53c86,GPy/kern/coregionalise.py,coregionalise,dKdiag_dtheta,#coregionalise#Any#Any#Any#,85

Before Change

        pass

    def dKdiag_dtheta(self,partial,index,target):
        self.dK_dtheta(np.diag(partial),index,index,target)

After Change

    def dKdiag_dtheta(self,partial,index,target):
        index = np.asarray(index,dtype=np.int).flatten()
        partial_small = np.zeros(self.Nout)
        for i in range(self.Nout):
            partial_small[i] += np.sum(partial[index==i])
        dW = 2.*self.W*partial_small[:,None]
        dkappa = partial_small
        target += np.hstack([dW.flatten(),dkappa])

Instances