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Polynomial kernel gradients wrt X working.

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This commit is contained in:
Neil Lawrence 2013-08-28 00:20:12 +02:00
parent a61feb17a5
commit b127c96bf2
8 changed files with 79 additions and 26 deletions
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GPy/inference/scg.py
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@ -61,6 +61,8 @@ def SCG(f, gradf, x, optargs=(), maxiters=500, max_f_eval=np.inf, display=True,
function_eval = 1
fnow = fold
gradnew = gradf(x, *optargs) # Initial gradient.
if any(np.isnan(gradnew)):
raise UnexpectedInfOrNan
current_grad = np.dot(gradnew, gradnew)
gradold = gradnew.copy()
d = -gradnew # Initial search direction.