[med-svn] [python-mne] 97/376: FIX : in cov whitening

[Yaroslav Halchenko]

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yoh pushed a commit to annotated tag v0.1
in repository python-mne.

commit d9449a674f06fa3921b45e9225bf1e7ceecb8dc4
Author: Alexandre Gramfort <alexandre.gramfort at inria.fr>
Date:   Mon Feb 28 17:48:05 2011 -0500

    FIX : in cov whitening
---
 mne/cov.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mne/cov.py b/mne/cov.py
index 1aa8288..1771648 100644
--- a/mne/cov.py
+++ b/mne/cov.py
@@ -138,7 +138,7 @@ class Covariance(object):
         # This matrix can be multiplied with data and leadfield matrix to get
         # whitened inverse solutions.
         d = 1.0 / np.sqrt(d)
-        W = np.dot(V, d[:,None] * V.T)
+        W = d[:,None] * V.T
 
         # Get all channel indices
         n_channels = len(ave['info']['chs'])

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