[Newbie] expansion of a function as a power series
Subject: [Newbie] expansion of a function as a power series
From: Richard Fateman
Date: Wed, 25 Jul 2007 19:00:41 -0700
----- Original Message -----
From: Daniel Lakeland <dlakelan at street-artists.org>
Date: Wednesday, July 25, 2007 2:36 pm
.....
> You compute the nth derivative of your function and evaluate it at the
> expansion point, then divide by n!
This is extremely unlikely to be more computationally efficiently. More likely it will be exponentially more expensive than the method used by taylor (computing in a truncated power series domain). Computing implicit power series by the powerseries command uses quite different tools.
RJF