# HG changeset patch
# User James Bergstra <bergstrj@iro.umontreal.ca>
# Date 1282593850 14400
# Node ID 9cac1ecaeef7af6c121d784d87ce622e2efa3adb
# Parent  4cbd65cf902d70bda52b423b268cea8e8a532dec
mcRBM - changed init of U to match M'A.R's code

diff -r 4cbd65cf902d -r 9cac1ecaeef7 pylearn/algorithms/mcRBM.py
--- a/pylearn/algorithms/mcRBM.py	Mon Aug 23 16:03:38 2010 -0400
+++ b/pylearn/algorithms/mcRBM.py	Mon Aug 23 16:04:10 2010 -0400
@@ -265,7 +265,8 @@
         # initialization taken from Marc'Aurelio
 
         return cls(
-                U = numpy_project_onto_ball(rng.randn(n_I, n_F).T).T,
+                #U = numpy_project_onto_ball(rng.randn(n_I, n_F).T).T,
+                U = 0.2 * rng.randn(n_I, n_F),
                 W = rng.randn(n_I, n_J)/np.sqrt((n_I+n_J)/2),
                 a = np.ones(n_I)*(-2),
                 b = np.ones(n_K)*2,