error propagation
type: Concept
preferred label: انتشار خطا @fa
related: unstability

saddle point
type: Concept
preferred label: نقطه زینی @fa
related: unstability

unstability
type: Concept
broader: stability theory
preferred label: ناپایداری @fa
related: multiple scale method
related: error propagation
related: saddle point

stability theory
type: Concept
narrower: unstability
preferred label: نظریه پایداری @fa

multiple scale method
type: Concept
preferred label: روش مقیاس چندگانه @fa
related: unstability