apunkt/GPy
1
0
Fork 0
mirror of https://github.com/SheffieldML/GPy.git synced 2026-05-18 13:55:14 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Revert "merge devel mrd"

Browse source 
This reverts commit 3f625a9347, reversing
changes made to dc6faeb303.
This commit is contained in:
Max Zwiessele 2013-04-23 14:02:15 +01:00
parent 3f625a9347
commit 0c8b83454f
8 changed files with 61 additions and 202 deletions
Download patch file Download diff file Expand all files Collapse all files

5
GPy/models/sparse_GP.py
View file

@ -148,10 +148,7 @@ class sparse_GP(GP):
#self.dL_dKmm += np.dot(np.dot(self.E*sf2, self.psi2_beta_scaled) - self.Cpsi1VVpsi1, self.Kmmi) + 0.5*self.E # dD
tmp = linalg.lapack.flapack.dtrtrs(self.Lm,np.asfortranarray(self.A),lower=1,trans=1)[0]
self.dL_dKmm = -0.5*self.D*sf2*linalg.lapack.flapack.dtrtrs(self.Lm,np.asfortranarray(tmp.T),lower=1,trans=1)[0] #dA
tmp = np.dot(self.D*self.C + self.E*sf2,self.psi2_beta_scaled) - self.Cpsi1VVpsi1
#tmp = np.dot(tmp,self.Kmmi)
tmp = linalg.lapack.flapack.dpotrs(self.Lm,np.asfortranarray(tmp.T),lower=1)[0].T
self.dL_dKmm += 0.5*(self.D*(self.C/sf2 - self.Kmmi) + self.E) + tmp # d(C+D)
self.dL_dKmm += 0.5*(self.D*(self.C/sf2 -self.Kmmi) + self.E) + np.dot(np.dot(self.D*self.C + self.E*sf2,self.psi2_beta_scaled) - self.Cpsi1VVpsi1,self.Kmmi) # d(C+D)
#the partial derivative vector for the likelihood
if self.likelihood.Nparams ==0: