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general changes to bebugging code

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This commit is contained in:
James Hensman 2013-01-16 11:21:55 +00:00
parent a6300fab10
commit 9f05744374
3 changed files with 29 additions and 18 deletions
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2
GPy/util/linalg.py
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@ -63,8 +63,8 @@ def jitchol(A,maxtries=5):
raise linalg.LinAlgError, "not pd: negative diagonal elements"
jitter= diagA.mean()*1e-6
for i in range(1,maxtries+1):
print 'Warning: adding jitter of '+str(jitter)
try:
print 'Warning: adding jitter of '+str(jitter)
return linalg.cholesky(A+np.eye(A.shape[0])*jitter, lower = True)
except:
jitter *= 10