▁birth s ▁Category : Austral ian ▁rules ▁football ers ▁from ▁Western ▁Australia ▁Category : West ern ▁Bul ld ogs ▁players ▁Category : S outh ▁F rem ant le ▁Football ▁Club ▁players <0x0A> </s> ▁In ▁scientific ▁computing , ▁sky line ▁matrix ▁storage , ▁or ▁S KS , ▁or ▁a ▁variable ▁band ▁matrix ▁storage , ▁or ▁en velope ▁storage ▁scheme ▁is ▁a ▁form ▁of ▁a ▁sparse ▁matrix ▁storage ▁format ▁matrix ▁that ▁reduces ▁the ▁storage ▁requirement ▁of ▁a ▁matrix ▁more ▁than ▁band ed ▁storage . ▁In ▁band ed ▁storage , ▁all ▁entries ▁within ▁a ▁fixed ▁distance ▁from ▁the ▁diagonal ▁( called ▁half - band width ) ▁are ▁stored . ▁In ▁column - orient ed ▁sky line ▁storage , ▁only ▁the ▁entries ▁from ▁the ▁first ▁non zero ▁entry ▁to ▁the ▁last ▁non zero ▁entry ▁in ▁each ▁column ▁are ▁stored . ▁There ▁is ▁also ▁row ▁orient ed ▁sky line ▁storage , ▁and , ▁for ▁symmetric ▁matrices , ▁only ▁one ▁triangle ▁is ▁usually ▁stored . ▁▁ ▁Sky line ▁storage ▁has ▁become ▁very ▁popular ▁in ▁the ▁finite ▁element ▁codes ▁for ▁struct ural ▁mechan ics , ▁because ▁the ▁sky line ▁is ▁preserved ▁by ▁Ch oles ky ▁decomposition ▁( a ▁method ▁of ▁solving ▁systems ▁of ▁linear ▁equations ▁with ▁a ▁symmetric , ▁positive - defin ite ▁matrix ; ▁all ▁fill - in ▁falls ▁within ▁the ▁sky line ), ▁and ▁systems ▁of ▁equations ▁from ▁finite ▁elements ▁have ▁a ▁relatively ▁small ▁sky line . ▁In ▁addition , ▁the ▁effort ▁of ▁coding ▁sky line ▁Ch oles ky ▁is ▁about ▁same ▁as ▁for ▁Ch oles ky ▁for