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[SSGPLVM] update SSGPLVM with new inferface and merge ssrbf into rbf

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This commit is contained in:
Zhenwen Dai 2014-02-27 16:28:42 +00:00
parent 5cf792504a
commit d8c2f78131
6 changed files with 206 additions and 179 deletions
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2
GPy/models/ss_gplvm.py
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@ -58,7 +58,7 @@ class SSGPLVM(SparseGP):
super(SSGPLVM, self).parameters_changed()
self._log_marginal_likelihood -= self.variational_prior.KL_divergence(self.X)
self.X.mean.gradient, self.X.variance.gradient, self.X.binary_prob.gradient = self.kern.gradients_q_variational(posterior_variational=self.X, Z=self.Z, **self.grad_dict)
self.X.mean.gradient, self.X.variance.gradient, self.X.binary_prob.gradient = self.kern.gradients_qX_expectations(variational_posterior=self.X, Z=self.Z, **self.grad_dict)
# update for the KL divergence
self.variational_prior.update_gradients_KL(self.X)