وردش
preferred label: variation @en
type: Concept
related: معادله وردشی

شمول دیفرانسیلی
preferred label: differential inclusion @en
type: Concept
broader: معادله وردشی

معادله وردشی
narrower: شمول دیفرانسیلی
related: وردش
related: معادله کلاسیک
broader: حساب وردش
preferred label: variational equation @en
type: Concept

معادله کلاسیک
preferred label: classic equation @en
type: Concept
related: معادله وردشی

حساب وردش
preferred label: calculus of variation @en
type: Concept
narrower: معادله وردشی