Le 26/11/2011 18:32, Daniel Carrera a ?crit :
> Hello,
>
> I have been looking at Maxima and Axiom. I've tried them and looked at
> some tutorials and I was hoping that someone here could comment on the
> relative pros and cons of the two. Let me tell you what I have so far:
>
> * I'd like to add an open source CAS to my toolkit. Maxima and Axiom
> simply appear to be the popular ones. My needs are generally simple:
> basic calculus and algebra. An optional GUI and plots are much welcome.
>
> * I like that Maxima has a nice GUI (wxMaxima), it has plots, and a
> more active mailing list.
>
> * I am not crazy about the way either Maxima or Axiom do functions. I
> think that implementing the Newton-Raphson method should work more or
> less like this:
>
> f(x) := x^2 + x - 2
> df(x):= D( f(x),x )
> nr(x):= x - f(x)/df(x)
>
> nr(0.7)
> for i = 1,10
> nr(%)
> end
>
> Axiom and Maxima both require me to do something ugly like:
>
> Axiom: function(x-f/d,'nr,'x)
>
> Maxima: nr(t) := subst(t,x,x-f/diff(f,x));
>
>
> I would be grateful if anyone could share additional thoughts on
> Maxima vs Axiom. Or maybe you you know of a CAS that fits my wants
> that I have overlooked.
>
> Thanks.
>
> Daniel.
Did you look at sage ?