Subject: Problem with expand in lagrange interpolation
From: Robert Dodier
Date: Thu, 14 Jun 2007 10:10:17 -0600
On 6/14/07, Richard Fateman <fateman at cs.berkeley.edu> wrote:
> I think you have to approach it from assuming that the polynomial resulting
> from the interpolation method is not supposed to be explicit. That is,
> f(x):= polynomial_in_x IS WRONG
> You should return
> F(x):= block([divided_difference_table: [[....]]], some_procedure).
The return value would be more widely useful within Maxima if
it were a lambda expression (since then you can pass it to
map, apply, etc).
Agreed entirely that an implicit form is probably more useful
than an explicit polynomial here.
Robert