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gradients w.r.t. kappa corrected

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np.diag(dL_dK_small) needs to be copied
This commit is contained in:
Ricardo Andrade 2015-08-19 16:00:31 +01:00
parent 80161665b8
commit 0d995a56b2
1 changed files with 1 additions and 1 deletions
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2
GPy/kern/_src/coregionalize.py
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@ -94,7 +94,7 @@ class Coregionalize(Kern):
dL_dK_small = self._gradient_reduce_numpy(dL_dK, index, index2) dL_dK_small = self._gradient_reduce_numpy(dL_dK, index, index2)
dkappa = np.diag(dL_dK_small) dkappa = np.diag(dL_dK_small).copy()
dL_dK_small += dL_dK_small.T dL_dK_small += dL_dK_small.T
dW = (self.W[:, None, :]*dL_dK_small[:, :, None]).sum(0) dW = (self.W[:, None, :]*dL_dK_small[:, :, None]).sum(0)