ó ,µ[c@sPddlmZdjdddgƒZdgZd d edddd „Zd S( iÿÿÿÿ(t combinationss s!Ben Edwards (bedwards@cs.unm.edu)s Huston Hedinger (hstn@hdngr.com)s Dan Schult (dschult@colgate.edu)t dispersiongð?gc s3‡‡‡‡fd†}|dkrÍ|dkr‰td„|Dƒƒ}x|D]5}x,||D] }||||ƒ|||6siii(tsetRt intersectiont isdisjointtlen( tG_ututvtSTtset_uvtpossibttotaltstttnbrs_st embedednesst norm_dispR(talphatbtct normalized(RsHlib/python2.7/site-packages/networkx/algorithms/centrality/dispersion.pyt _dispersion3s$    css|]}|ifVqdS(N((RR((sHlib/python2.7/site-packages/networkx/algorithms/centrality/dispersion.pys VsN(tNonetdicttfromkeys( tGR R RRRRRtresults((RRRRsHlib/python2.7/site-packages/networkx/algorithms/centrality/dispersion.pyR s )   % N(t itertoolsRtjoint __author__t__all__RtTrueR(((sHlib/python2.7/site-packages/networkx/algorithms/centrality/dispersion.pyts