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psi1 is now the right way around

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James Hensman 2013-06-06 14:38:48 +01:00
parent a5208f474e
commit 5e4c24d652
5 changed files with 24 additions and 25 deletions
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6
GPy/kern/kern.py
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@ -360,9 +360,7 @@ class kern(Parameterised):
raise NotImplementedError("We don't handle linear/linear cross-terms")
tmp = np.zeros((mu.shape[0], Z.shape[0]))
p1.psi1(Z, mu, S, tmp)
tmp2 = np.zeros_like(target)
p2.dpsi1_dZ((tmp[:, None, :] * dL_dpsi2).sum(1).T, Z, mu, S, tmp2)
target += tmp2
p2.dpsi1_dZ((tmp[:, None, :] * dL_dpsi2).sum(1), Z, mu, S, target)
return target * 2
@ -378,7 +376,7 @@ class kern(Parameterised):
tmp = np.zeros((mu.shape[0], Z.shape[0]))
p1.psi1(Z, mu, S, tmp)
p2.dpsi1_dmuS((tmp[:, None, :] * dL_dpsi2).sum(1).T * 2., Z, mu, S, target_mu, target_S)
p2.dpsi1_dmuS((tmp[:, None, :] * dL_dpsi2).sum(1) * 2., Z, mu, S, target_mu, target_S)
return target_mu, target_S