Subject: asymptotic expansion of the error function
From: Raymond Toy
Date: Wed, 25 Apr 2012 08:52:59 -0700
On Wed, Apr 25, 2012 at 6:45 AM, Stavros Macrakis <macrakis at alum.mit.edu>wrote:
> What do you mean to "perform" the asymptotic expansion? The formula you
> cite can certainly be expanded to any number of terms you want by simply
> specifying the upper bound, e.g.
>
>
Too bad this doesn't work:
taylor(erfc(z),z,inf,4)
like it does for other expressions like, for example,
taylor(sqrt(x^2+1)-x, x, inf, 4) ->
1/(2*x)-1/(8*x^3)
Ray