1. Information , Learning and Physics (IdePHICS) Lab, , Route Cantonale, Lausanne, 1015 VD , Switzerland
2. École Polytechnique Fédérale de Lausanne (EPFL) , Learning and Physics (IdePHICS) Lab, , Route Cantonale, Lausanne, 1015 VD , Switzerland
3. Department of Mathematics, University of California Irvine , 510 V Rowland Hall, Irvine 92697, CA , USA