Switch eigenvector_centrality_numpy to use sparse matrix solver Addresses #969
Switch eigenvector_centrality_numpy to use sparse matrix solver
Addresses #969

jakevdp/networkx,harlowja/networkx,dhimmel/networkx,jakevdp/networkx,michaelpacer/networkx,ghdk/networkx,dmoliveira/networkx,kernc/networkx,chrisnatali/networkx,jni/networkx,jni/networkx,farhaanbukhsh/networkx,ghdk/networkx,blublud/networkx,aureooms/networkx,wasade/networkx,goulu/networkx,RMKD/networkx,nathania/networkx,JamesClough/networkx,aureooms/networkx,harlowja/networkx,jfinkels/networkx,blublud/networkx,kernc/networkx,nathania/networkx,sharifulgeo/networkx,RMKD/networkx,OrkoHunter/networkx,SanketDG/networkx,cmtm/networkx,dhimmel/networkx,tmilicic/networkx,debsankha/networkx,ghdk/networkx,bzero/networkx,farhaanbukhsh/networkx,dmoliveira/networkx,NvanAdrichem/networkx,yashu-seth/networkx,Sixshaman/networkx,harlowja/networkx,nathania/networkx,ltiao/networkx,aureooms/networkx,chrisnatali/networkx,bzero/networkx,ionanrozenfeld/networkx,sharifulgeo/networkx,chrisnatali/networkx,farhaanbukhsh/networkx,kernc/networkx,jni/networkx,jakevdp/networkx,sharifulgeo/networkx,debsankha/networkx,andnovar/networkx,bzero/networkx,debsankha/networkx,RMKD/networkx,blublud/networkx,ionanrozenfeld/networkx,dmoliveira/networkx,ionanrozenfeld/networkx,dhimmel/networkx,beni55/networkx,jcurbelo/networkx