d'Alembert solution
preferred label: جواب دالامبر @fa
type: Concept
related: characteristic curve method

characteristic function
preferred label: تابع مشخصه @fa
type: Concept
related: characteristic curve method

first order partial differential equation
preferred label: معادله دیفرانسیل جزئی مرتبه اول @fa
type: Concept
narrower: characteristic curve method

reduction of order method
preferred label: روش تحویل مرتبه @fa
type: Concept
related: characteristic curve method

characteristic curve method
related: characteristic function
related: d'Alembert solution
related: reduction of order method
broader: first order partial differential equation
preferred label: روش منحنی مشخصه @fa
type: Concept