taylor series, bfloat, zerop enhancements, something to think about, vs. Macsyma
Subject: taylor series, bfloat, zerop enhancements, something to think about, vs. Macsyma
From: Richard Fateman
Date: Thu, 05 Jan 2012 08:53:32 -0800
On 1/5/2012 7:46 AM, Stavros Macrakis wrote:
> On Thu, Jan 5, 2012 at 10:14, John Lapeyre <lapeyre.math122a at gmail.com
> <mailto:lapeyre.math122a at gmail.com>> wrote:
>
> On 01/04/2012 05:57 PM, Richard Fateman wrote:
> > On 1/4/2012 8:42 AM, John Lapeyre wrote:
> >> btw. I don't know if maxima has something like Head() or lisp's
> >> type-of. It's useful to have a what_is_this() function.
> >
> > what_is_this(x):=if ?atom(x) then ?type\-of(x) else ?caar(x)
>
> Not sure what exactly the goal is here.
Not sure either, but it could be used to dispatch to different
numerical-style routines for
bigfloats
flonums
fixnums
bignums
um, other stuff.