From e68d8d7f34fcf26dd511cc22b6baabe1c59c594d Mon Sep 17 00:00:00 2001
From: Max Zwiessele <ibinbei@gmail.com>
Date: Tue, 4 Jun 2013 15:33:24 +0100
Subject: [PATCH] SCG optimizer scale down to 1e-30

---
 GPy/inference/SCG.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/GPy/inference/SCG.py b/GPy/inference/SCG.py
index fc8ce21a..d290bfe7 100644
--- a/GPy/inference/SCG.py
+++ b/GPy/inference/SCG.py
@@ -63,7 +63,7 @@ def SCG(f, gradf, x, optargs=(), maxiters=500, max_f_eval=500, display=True, xto
     success = True # Force calculation of directional derivs.
     nsuccess = 0 # nsuccess counts number of successes.
     beta = 1.0 # Initial scale parameter.
-    betamin = 1.0e-15 # Lower bound on scale.
+    betamin = 1.0e-30 # Lower bound on scale.
     betamax = 1.0e100 # Upper bound on scale.
     status = "Not converged"