Changes

In mathematics, a function in [[complex analysis]] is ''analytic'' over the [[domain]] ''D'' if it is equal to its power series expansion in a neighborhood of every point in ''D''.

In [[mathematics]], a [[function]] is '''analytic''' over the [[domain]] ''D'' if it is equal to its [[power series]] expansion in a [[neighborhood]] of every point in ''D''.

 

[[Category:Calculus]]

The older definition was that an analytic function is one that is [[differentiable]] everywhere.

[[Category:Complex Analysis]]

[[category:mathematics]]