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fixed up product kernel tests

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James Hensman 2015-03-26 11:45:18 +00:00
parent 624117eaac
commit 02f2bb5c76
2 changed files with 13 additions and 2 deletions
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GPy/kern/_src/prod.py
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@ -80,6 +80,7 @@ class Prod(CombinationKernel):
if len(self.parts)==2:
target += self.parts[0].gradients_X(dL_dK*self.parts[1].K(X, X2), X, X2)
target += self.parts[1].gradients_X(dL_dK*self.parts[0].K(X, X2), X, X2)
else:
for combination in itertools.combinations(self.parts, len(self.parts) - 1):
prod = reduce(np.multiply, [p.K(X, X2) for p in combination])
to_update = list(set(self.parts) - set(combination))[0]