On Fri, Mar 14, 2025 at 11:45 AM 'Ralf Hemmecke' via FriCAS - computer
algebra system <fricas-devel@googlegroups.com> wrote:
>
> Hi Dima,
>
> On 3/14/25 17:34, Dima Pasechnik wrote:
> > There is also a way to interface Fricas with MMAs via SageMath,
> > which has interfaces to Maple, Matlab, Magma, and Mathematica.
> Yes, I heard, but had no reason to use it up to
>
> 1) Do you have some examples for a back and forth work between FriCAS
> and MMA via Sage? A URL to the respective docs would be fine.

Basically, it's always system_foo->Sage->system_bar.
Not directly system_foo->system_bar.
Which is a meaningful design, as there are too many systems, and
having one interface
for each of them, as opposed to one for each pair of them, is cheaper.


sage: with hold:      # to prevent Sage from evaluating i
....:     i=integral(sin(x),x)
....:     m=mathematica(i)
....:     f=fricas(m)
....:
sage: i,m,f
(integrate(sin(x), x), -Cos[x], - cos(x))
sage: list(map(type,(i,m,f)))
[<class 'sage.symbolic.expression.Expression'>,
 <class 'sage.interfaces.mathematica.MathematicaElement'>,
 <class 'sage.interfaces.fricas.FriCASElement'>]
sage:

By the way, here it's actually wolframscript, not "real" MMA. I
installed wolframscript
and made a symbolic link called "math" pointing to wolframscript.

>
> 2) How is the FriCAS connection. And as far as I remember the connection
> to FriCAS does not cover everything.

it doesn't at the moment, in particular, IIRC, rootsum stuff is not implemented.

Dima

>
> Ralf
>
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