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fixed bug in my schoolboy mathematics

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This commit is contained in:
James Hensman 2013-02-04 10:29:01 +00:00
parent 3a61c39cb8
commit 7a54660689
2 changed files with 2 additions and 2 deletions
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2
GPy/likelihoods/Gaussian.py
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@ -32,7 +32,7 @@ class Gaussian(likelihood):
return ["noise variance"]
def _set_params(self,x):
self._variance = x
self._variance = float(x)
self.covariance_matrix = np.eye(self.N)*self._variance
self.precision = 1./self._variance

2
GPy/models/sparse_GP.py
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@ -130,7 +130,7 @@ class sparse_GP(GP):
dbeta += - 0.5 * self.D * (self.psi0.sum() - np.trace(self.A)/beta*sf2)
dbeta += - 0.5 * self.D * np.sum(self.Bi*self.A)/beta
dbeta += np.sum((self.C - 0.5 * mdot(self.C,self.psi2_beta_scaled,self.C) ) * self.psi1VVpsi1 )/beta
self.partial_for_likelihood = -dbeta*self.likelihood.precision
self.partial_for_likelihood = -dbeta*self.likelihood.precision**2
def _set_params(self, p):