On 14 March 2025 10:24:03 GMT-05:00, Kurt Pagani <nil...@gmail.com> wrote:
>Hi Ralf
>
>Das ist "cool". Da ich das Gegenstück dazu habe
>
>https://github.com/nilqed/spadlib/tree/master/mmaparse
>
>können die "MMA Fans" (ich bin keiner ;-) FriCAS auch benutzen :)
>
>Ich wollte den Parser einmal für Rubi->Fricas benutzen, aber das war
>mir dann doch zuviel Arbeit, um all die MMA Funktionen zu übersetzen.
>Vielleicht versuche ich es nochmals, falls mir langweilig wird,
There is also a way to interface Fricas with MMAs via SageMath, which has
interfaces to Maple, Matlab, Magma, and Mathematica.
Just in case,
Dima
>
>Beste Grüsse
>Kurt
>
>
>On Fri, 14 Mar 2025 at 00:14, 'Ralf Hemmecke' via FriCAS - computer
>algebra system <fricas-devel@googlegroups.com> wrote:
>>
>> I sometimes want to compare FriCAS output with that what Mathematica
>> returns and also wanted to be able to cut&paste FriCAS expressions to
>> Mathematica without always having the need to change the syntax
>> manually. I therefore modified Format1D in such a way that it shows
>> Mathematica syntax.
>>
>> Of course, that cannot be perfect, because OutputForm is an output
>> format and does not contain enough information. Nevertheless, the
>> attached file produces Mathematica expressions for many common cases.
>>
>> Please try your favourite expression(s) and let me know where I should
>> adapt something.
>>
>> Use as follows:
>>
>> )compile fmtmma.spad
>> strmma x ==>
>> first(lines(format(format(x::OutputForm)$Formatter(FormatMathematica))))
>> dispmma x ==> display(x::OutputForm::Formatter(FormatMathematica))
>>
>> strmma(sin(x)^(a+tan(x^(-1))))
>> dispmma(sin(x)^(a+tan(x^(-1))))
>> dispmma(sum(sin(k*x),k=1..n))
>>
>> ===============================
>> %%% (33) -> strmma(sin(x)^(a+tan(x^(-1))))
>>
>> (33) "Sin[x]^(Tan[1/x]+a)"
>> Type: String
>> %%% (34) -> dispmma(sin(x)^(a+tan(x^(-1))))
>> Sin[x]^(Tan[1/x]+a)
>> Type: Void
>> %%% (35) -> dispmma(sum(sin(k*x),k=1..n))
>> [OUTPUTFORM = k = 1, SEXPRESSION = (= k 1)]
>> Sum[Sin[k*x], {k, 1, n}]
>> Type: Void
>>
>> Ralf
>>
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>
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