O ko awon okunrin wonyi jo si ile ounje kan leba ilu, ni igbiyanju lati da oko tio gbe aare lona ti o ba n pada bo lati ile iwosan.. 
 maa n jẹ  ìdúróṣinṣin matrix, nítorí differential equation jẹ́ Oilmptotically Stable, that is,  si ti  jẹ́ (matrix-valued) irekọja iṣẹ́ nígbà naa  maa ń jẹ́ Hurwitz ti àwọn ọ̀pọ̀ ìdá ipilẹ̀ .. 