<prompt> Umusho 1: T ufana nemethrikhi enezinto ezifanele eziku-superdiagonal, yi-Jordan kuphela ifomu elingelona zero. Umusho wesibili: T ifana ne-matrix okuyizinto zayo ezisemthethweni ezisesimweni se-superdiagonal se-Jordan non-zero. Umbuzo: Ingabe umusho 1 nomusho 2 usho into efanayo? Yebo noma Cha?  <response>: Yebo Yebo 