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Kilian Fatras added 5 commits

rflamary changed the title ~~add empirical sinkhorn and sikhorn divergence functions~~ add empirical sinkhorn and sinkhorn divergence functions

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		.. [23] Aude Genevay, Gabriel Peyré, Marco Cuturi, Learning Generative Models with Sinkhorn Divergences, Proceedings of the Twenty-First International Conference on Artficial Intelligence and Statistics, (AISTATS) 21, 2018
		'''

		sinkhorn_div = (2 * empirical_sinkhorn2(X_s, X_t, reg, a, b, metric=metric, numIterMax=numIterMax, stopThr=1e-9, verbose=verbose, log=log, **kwargs) -

		M_t = ot.dist(X_t, X_t)

		emp_sinkhorn_div = ot.bregman.empirical_sinkhorn_divergence(X_s, X_t, 1)
		sinkhorn_div = (2 * ot.sinkhorn2(a, b, M, 1) - ot.sinkhorn2(a, a, M_s, 1) -

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