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Merge branch 'params' of github.com:SheffieldML/GPy into params

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James Hensman 2014-02-11 20:05:41 +00:00
commit 32deb2085d
10 changed files with 177 additions and 54 deletions
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5
GPy/core/sparse_gp.py
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@ -55,10 +55,7 @@ class SparseGP(GP):
self.add_parameter(self.Z, index=0)
def parameters_changed(self):
Xvar = self.X_variance
if self.X_variance is not None:
Xvar = param_to_array(self.X_variance)
self.posterior, self._log_marginal_likelihood, self.grad_dict = self.inference_method.inference(self.kern, param_to_array(self.X), Xvar, param_to_array(self.Z), self.likelihood, self.Y)
self.posterior, self._log_marginal_likelihood, self.grad_dict = self.inference_method.inference(self.kern, self.X, self.X_variance, self.Z, self.likelihood, self.Y)
#The derivative of the bound wrt the inducing inputs Z
self.Z.gradient = self.kern.gradients_X(self.grad_dict['dL_dKmm'], self.Z)