Hi again,

what is the semantics of the InputForm of rootOf precisely?  Is it as 
follows:

(rootOf p v)

"defines" v to be one of (???) the roots of the polynomial p?

Isn't it important which root?

Martin

Am Montag, 18. Juni 2018 09:18:37 UTC+2 schrieb Martin R:
>
> You can use
>
> sage: fricas.setSimplifyDenomsFlag(fricas.true)
>
> However, in the example below, you will hit another NotImplementedError: 
> rootOf has no translation to sage yet. 
> https://trac.sagemath.org/ticket/25597 might be necessary, I don't know.
>
> Martin
>
> Am Sonntag, 17. Juni 2018 14:54:19 UTC+2 schrieb Nasser M. Abbasi:
>>
>> I am using sagemath to call fricas integrate, as in
>>
>>       sage:  integrate((x+(1+x)^(1/2))^(1/2)/(x^2+1)/(1+x)^(1/2),x,
>> algorithm="fricas")
>>
>> The problem is that I need to setSimplifyDenomsFlag(true) before, which I 
>> do not know how to do this from sage, since it only supports the above call 
>> as far as I know. But I also just asked about this at the sagemath form 
>> https://ask.sagemath.org just in case there is way.
>>
>> Is it possible to build Fricas on Linux with this flag true? If so, how? 
>> Otherwise, many integrals will timeout because of this and I could not use 
>> sage to test fricas using this method.
>>
>> Thanks
>> --Nasser
>>
>>
>>
>>
>>
>>
>>

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