PNG  IHDRD$9&0PLTE@@@ftRNSS pHYsetEXtTitleInftyEditor MathImageytEXtAuthorAdministrator*ztEXtDescription $\displaystyle E(I_{r}) = -\frac{F_{r-1}}{m}\log\frac{F_{r-1}}{m}-\frac{m-F_{r-1}}{m}\log\frac{m-F_{r-1}}{m}$VHtEXtCopyrightInftyProject@$tEXtCreation Time r'rr'rr IDATxZ z *U2o~͌13BG($ߊ>(vmsTFqVqjMHN}JI ?^+:u(~#9ɶ]F#5Ao$'Y5c${ђǥtkN9jGM\c$Ktbzo_ +)n "c1CtȶXLV HF3x_X*IǸI{HF` eȦTۺwL,D;6 K-e8@7j$#YYfs#gF2D'5 Uę;qJZ:W,Ya# 7]*k~ K=4=1d.d'+tMRzK"ĔzdWFUiXegF{j[qI UڡPJzϘo>>]zn10\͢ag'N3DJ1+03ߗVdoA[qVdoA[_I,,IENDB`