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[dxxdiag] some steps towards the diagonal gradients in xx

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Max Zwiessele 2016-06-08 10:22:36 +01:00
parent a3f458926b
commit 787168a394
4 changed files with 42 additions and 40 deletions
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2
GPy/core/gp.py
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@ -377,7 +377,7 @@ class GP(Model):
if full_cov:
dK2_dXdX = kern.gradients_XX(one, Xnew)
else:
dK2_dXdX = -kern.gradients_XX(one, Xnew).sum(0)
dK2_dXdX = kern.gradients_XX(one, Xnew).sum(0)
#dK2_dXdX = np.zeros((Xnew.shape[0], Xnew.shape[1], Xnew.shape[1]))
#for i in range(Xnew.shape[0]):
# dK2_dXdX[i:i+1,:,:] = kern.gradients_XX(one, Xnew[i:i+1,:])