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_highest_parent_ now follows the tree, dK_dX > gradient_X, added update_grads_variational to linear, bgplvm for new framework

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Max Zwiessele 2014-02-10 15:12:49 +00:00
parent 87dab55fe1
commit e0c68d5eb3
41 changed files with 269 additions and 291 deletions
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2
GPy/models/gplvm.py
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@ -60,7 +60,7 @@ class GPLVM(GP):
def jacobian(self,X):
target = np.zeros((X.shape[0],X.shape[1],self.output_dim))
for i in range(self.output_dim):
target[:,:,i]=self.kern.dK_dX(np.dot(self.Ki,self.likelihood.Y[:,i])[None, :],X,self.X)
target[:,:,i]=self.kern.gradients_X(np.dot(self.Ki,self.likelihood.Y[:,i])[None, :],X,self.X)
return target
def magnification(self,X):