From dde8e4136ef8b8a6d38d1d466764573ddb2e0f32 Mon Sep 17 00:00:00 2001 From: Alan Saul Date: Thu, 30 Apr 2015 18:00:14 +0100 Subject: [PATCH] Again with gradients --- GPy/mappings/constant.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/GPy/mappings/constant.py b/GPy/mappings/constant.py index 5e235a88..958be943 100644 --- a/GPy/mappings/constant.py +++ b/GPy/mappings/constant.py @@ -34,7 +34,7 @@ class Constant(Mapping): return np.tile(self.C.values[None,:], (X.shape[0], 1)) 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): - return dL_dF.sum(0) + return np.zeros_like(X)