linear transformation
preferred label: تبدیل خطی @fa
type: Concept
narrower: triangulable linear transformation

ordered basis
preferred label: پایه مرتب @fa
type: Concept
related: triangulable linear transformation

triangulable linear transformation
related: ordered basis
related: triangular matrix
broader: linear transformation
preferred label: تبدیل خطی مثلثی شونده @fa
type: Concept

triangular matrix
preferred label: ماتریس مثلثی @fa
type: Concept
related: triangulable linear transformation