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-rw-r--r--ot/bregman.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/ot/bregman.py b/ot/bregman.py
index ab84bcf..d2ade46 100644
--- a/ot/bregman.py
+++ b/ot/bregman.py
@@ -358,9 +358,9 @@ def sinkhorn_knopp(a, b, M, reg, numItermax=1000,
while (err > stopThr and cpt < numItermax):
uprev = u
vprev = v
- KtransposeU = np.dot(K.T, u)
+ KtransposeU = np.einsum('ij,i->j',K,u)#np.dot(K.T, u)
v = np.divide(b, KtransposeU)
- u = 1. / np.dot(Kp, v)
+ u = 1. / np.einsum('ij,j->i',Kp,v)#np.dot(Kp, v)
if (np.any(KtransposeU == 0) or
np.any(np.isnan(u)) or np.any(np.isnan(v)) or