On 17-11-2013 09:54, Jaime Villate wrote:
>
> Notice also that Maxima tries to be "non-destructive"; namely, when
> you write ev(sigma) or
> subst ([EL_1=0, AZ_1], sigma) a modified version of sigma will be
> returned, but sigma itself will not be modified. That's why I had to
> use sigma:ev(sigma) to modify the original definition of sigma.
>
I meant "subst ([EL_1=0, AZ_1=0], sigma)". Sorry for the typo.
Jaime