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Again with gradients

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Alan Saul 2015-04-30 18:00:14 +01:00
parent 317eef33f8
commit dde8e4136e
1 changed files with 2 additions and 2 deletions
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4
GPy/mappings/constant.py
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@ -34,7 +34,7 @@ class Constant(Mapping):
return np.tile(self.C.values[None,:], (X.shape[0], 1)) return np.tile(self.C.values[None,:], (X.shape[0], 1))
def update_gradients(self, dL_dF, X): def update_gradients(self, dL_dF, X):
self.C.gradient = 0. self.C.gradient = dL_dF.sum(0)
def gradients_X(self, dL_dF, X): def gradients_X(self, dL_dF, X):
return dL_dF.sum(0) return np.zeros_like(X)