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linK2_functions2 merged

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Ricardo 2013-09-13 18:09:59 +01:00
parent f8c9e6b982
commit 1bc9374717
10 changed files with 113 additions and 75 deletions
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8
GPy/core/sparse_gp.py
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@ -165,7 +165,7 @@ class SparseGP(GPBase):
raise NotImplementedError, "heteroscedatic derivates with uncertain inputs not implemented"
else:
Lmi_psi1, nil = dtrtrs(self.Lm, np.asfortranarray(self.psi1.T), lower=1, trans=0)
Lmi_psi1, nil = dtrtrs(self._Lm, np.asfortranarray(self.psi1.T), lower=1, trans=0)
_LBi_Lmi_psi1, _ = dtrtrs(self.LB, np.asfortranarray(Lmi_psi1), lower=1, trans=0)
_Bi_Lmi_psi1, _ = dtrtrs(self.LB.T, np.asfortranarray(_LBi_Lmi_psi1), lower=1, trans=0)
@ -427,13 +427,13 @@ class SparseGP(GPBase):
"""
Bi, _ = dpotri(self.LB, lower=0) # WTH? this lower switch should be 1, but that doesn't work!
symmetrify(Bi)
Kmmi_LmiBLmi = backsub_both_sides(self.Lm, np.eye(self.num_inducing) - Bi)
Kmmi_LmiBLmi = backsub_both_sides(self._Lm, np.eye(self.num_inducing) - Bi)
if self.Cpsi1V is None:
psi1V = np.dot(self.psi1.T,self.likelihood.V)
tmp, _ = dtrtrs(self.Lm, np.asfortranarray(psi1V), lower=1, trans=0)
tmp, _ = dtrtrs(self._Lm, np.asfortranarray(psi1V), lower=1, trans=0)
tmp, _ = dpotrs(self.LB, tmp, lower=1)
self.Cpsi1V, _ = dtrtrs(self.Lm, tmp, lower=1, trans=1)
self.Cpsi1V, _ = dtrtrs(self._Lm, tmp, lower=1, trans=1)
assert hasattr(self,'multioutput')
index = np.ones_like(_Xnew)*output