From 1238252a19a4195084c0384817e3977d53778f84 Mon Sep 17 00:00:00 2001
From: Nicolas <n.durrande@sheffield.ac.uk>
Date: Thu, 6 Jun 2013 11:24:00 +0100
Subject: [PATCH] removed visualize dependencies and added dKdiag_dX for linear

---
 GPy/kern/linear.py   | 3 +++
 GPy/util/__init__.py | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/GPy/kern/linear.py b/GPy/kern/linear.py
index b2aa29f9..402e6ead 100644
--- a/GPy/kern/linear.py
+++ b/GPy/kern/linear.py
@@ -100,6 +100,9 @@ class linear(Kernpart):
     def dK_dX(self, dL_dK, X, X2, target):
         target += (((X2[:, None, :] * self.variances)) * dL_dK[:, :, None]).sum(0)
 
+    def dKdiag_dX(self,dL_dKdiag,X,target):
+        target += 2.*self.variances*dL_dKdiag[:,None]*X
+
     #---------------------------------------#
     #             PSI statistics            #
     #---------------------------------------#
diff --git a/GPy/util/__init__.py b/GPy/util/__init__.py
index 27d25518..cbb5e250 100644
--- a/GPy/util/__init__.py
+++ b/GPy/util/__init__.py
@@ -11,6 +11,6 @@ import misc
 import warping_functions
 import datasets
 import mocap
-import visualize
+#import visualize
 import decorators
 import classification