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minor perfomance tweak for GP regression

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This commit is contained in:
James Hensman 2012-12-07 17:18:52 -08:00
parent fe13d2c09a
commit e6d08348c7
1 changed files with 1 additions and 2 deletions
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3
GPy/models/GP_regression.py
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@ -83,9 +83,8 @@ class GP_regression(model):
"""
Computes the model fit using Youter if it's available
"""
if self.Youter is None:
return -0.5*np.trace(mdot(self.Y.T,self.Ki,self.Y))
return -0.5*np.sum(np.square(np.dot(self.Li,self.Y)))
else:
return -0.5*np.sum(np.multiply(self.Ki, self.Youter))