Re: [Maxima-discuss] complete_square

[Mike V. <mic...@gm...>]

Oh thank you Barton Willis,

I thought block([whatever], ...) made whatever local. I never knew about
local. Thank you.

On Mon, Jun 1, 2015 at 1:50 PM, Barton Willis <wi...@un...> wrote:

>
>    1. Experiment with replacing ev(b_vec[i,1], map(lambda([avar],
>    avar=0), vars)) with  subst(map(lambda([avar], avar=0), vars), b_vec[i,1]) .
>    The subst function has clean semantics, but ev doesn't.
>
>    2. Likely b_vec and c_mat should be declared local; see for example, Robert
>    Dodier <http://search.gmane.org/?author=Robert+Dodier&sort=date> | 19
>    Jun 16:50 2008 on
>
>    http://blog.gmane.org/gmane.comp.mathematics.maxima.general/month=20080601/page=36
>
>
>   --Barton
>
>   > complete_square_alt_form:0$
> > complete_square(expr, vars):=block([a_const:expr, b_vec, c_mat,
> c_mat_inv, new_const, offset, x],
>  ...
>