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-rw-r--r--ot/bregman.py5
1 files changed, 3 insertions, 2 deletions
diff --git a/ot/bregman.py b/ot/bregman.py
index b06eaeb..1deccce 100644
--- a/ot/bregman.py
+++ b/ot/bregman.py
@@ -108,7 +108,8 @@ def sinkhorn(a,b, M, reg, numItermax = 1000, stopThr=1e-9, verbose=False, log=Fa
K = np.exp(-M/reg)
#print(np.min(K))
- Kp = np.dot(np.diag(1/a),K)
+ Kp = (1/a).reshape(-1, 1) * K
+
transp = K
cpt = 0
err=1
@@ -128,7 +129,7 @@ def sinkhorn(a,b, M, reg, numItermax = 1000, stopThr=1e-9, verbose=False, log=Fa
break
if cpt%10==0:
# we can speed up the process by checking for the error only all the 10th iterations
- transp = np.dot(np.diag(u),np.dot(K,np.diag(v)))
+ transp = u.reshape(-1, 1) * (K * v)
err = np.linalg.norm((np.sum(transp,axis=0)-b))**2
if log:
log['err'].append(err)