An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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differential equation
  هموگش ِ دگرسانه‌ای  
hamugeš-e degarsâneyi
Fr.: équation différentielle  

An equation expressing a relationship between an → independent variable, x, an unknown → function, y = f(x), and its → derivatives. The general form of a differential equation is:
F(x, y, y’, y’’, …, y(n)) = 0, or F(x,y, dy/dx, d2y/dx2, …, dny/dxn) = 0. See also: → ordinary differential equation; → partial differential equation; → linear differential equation; → exact differential equation; → first-order differential equation; → homogeneous linear differential equation; → nonhomogeneous linear differential equation; → differential equation with separated variables; → differential equation with separable variables.

See also: → differential; → equation.