minor

GPy/kern/linear.py

@@ -65,7 +65,7 @@ class linear(kernpart):
             self._X2cache = X2
             self._dot_product = np.dot(X,X2.T) 
         else:
-            # print "Cache hit!"
+            #print "Cache hit!"
             pass # TODO: insert debug message here (logging framework)
 
 

GPy/models/warped_GP.py

@@ -91,6 +91,6 @@ class warpedGP(GP_regression):
         # just a quick fix until I figure out something smarter.
         if in_unwarped_space:
             mu = self.warping_function.f_inv(mu, self.warping_params)
-            var = self.warping_function.f_inv(var, self.warping_params)
+            var = self.warping_function.f_inv(var[:, None], self.warping_params)
 
         return mu, var

GPy/util/warping_functions.py

@@ -81,7 +81,7 @@ class TanhWarpingFunction(WarpingFunction):
         iterations: number of N.R. iterations
 
         """
-
+        
         y = y.copy()
         z = np.ones_like(y)