معادله مشخصه
preferred label: characteristic equation @en
type: Concept
broader: معادله دوری

معادله دوری
narrower: معادله مشخصه
broader: معادله کلاسیک
preferred label: cyclic equation @en
type: Concept

معادله کلاسیک
preferred label: classic equation @en
type: Concept
narrower: معادله دوری