▁U . S . ▁Be alls ▁( F lor ida ) ▁( pr on ounced ▁bel z ), ▁Florida - based ▁department ▁store ▁chain ▁founded ▁by ▁Robert ▁M . ▁Be all ▁Be alls ▁( Tex as ) ▁( pr on ounced ▁bel z ), ▁Texas - based ▁department ▁store ▁chain ▁founded ▁by ▁brothers ▁Arch ie ▁and ▁Rob bie ▁Be all , ▁later ▁included ▁brother , ▁Will ie ▁Be all ▁Be all ▁High ▁School ▁( pr on ounced ▁bel ), ▁was ▁a ▁public ▁high ▁school ▁in ▁F rost burg , ▁Maryland ▁Be al ▁( disambiguation ) ▁Be ale ▁( disambiguation ) ▁Be el ▁( disambiguation ) ▁B heel ▁( disambiguation ) ▁Bil ▁( disambiguation ) <0x0A> </s> ▁In ▁navigation , ▁a ▁state ▁vector ▁is ▁a ▁set ▁of ▁data ▁describing ▁exactly ▁where ▁an ▁object ▁is ▁located ▁in ▁space , ▁and ▁how ▁it ▁is ▁moving . ▁ ▁From ▁a ▁state ▁vector , ▁and ▁sufficient ▁mathematical ▁conditions ▁( e . g . ▁the ▁Pic ard - L ind el ö f ▁theorem ), ▁the ▁object ' s ▁past ▁and ▁future ▁position ▁can ▁be ▁determined . ▁ ▁Mathemat ical ▁representation ▁A ▁state ▁vector ▁typically ▁will ▁contain ▁seven ▁elements : ▁three ▁position ▁coordinates , ▁three ▁velocity ▁terms , ▁and ▁the ▁time ▁at ▁which ▁these ▁values ▁were ▁valid . ▁Mathemat ically , ▁in ▁order ▁to ▁describe ▁positions ▁in ▁a ▁N - dimensional ▁space ▁() ▁then ▁a ▁state ▁vector ▁ ▁belongs ▁to ▁: ▁ ▁or ▁simply ▁ ▁where ▁ ▁is ▁the ▁position ▁vector ▁and ▁ ▁is ▁the ▁velocity ▁vector . ▁