Re: functional equation f(f(x))=sin(x)+x
- From: DP <pfennige@xxxxxxxxxxxx>
- Date: Thu, 13 Apr 2006 19:41:37 +0200
A way to approach a solution is to assume f(x) expressed
as an infinite series of powers of x with undetermined coefficients.
Taylor expand the whole equation and solve for the coefficients.
Venera wrote:
How to solve the functional equation f(f(x))=sin(x)+x ?.
Thank your for yor help.
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- functional equation f(f(x))=sin(x)+x
- From: Venera
- functional equation f(f(x))=sin(x)+x
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