1)
>> syms x y
>> S=(x^2+x-exp(x))*(x+3)
S = (sym)
/ 2 x\
(x + 3)*\x + x - e /
>> F=collect(S)
error: 'collect' undefined near line 1 column 3
>>
it was expected F=x^3+4*x^2+(-exp(x)+3)*x-3*exp(x)
2)
>> syms x y
>> S=x*(x*(x-8)+10)-5
S = (sym) x*(x*(x - 8) + 10) - 5
>> SA=simplify(S)
SA = (sym) x*(x*(x - 8) + 10) - 5
>>
it was expected SA=x^3-8*x^2+10*x-5
3)
>> sym x
ans = (sym) x
>> s=(x^3-4*x^2+16*x)/(x^3+64)
s = (sym)
3 2
x - 4*x + 16*x
----------------
3
x + 64
>> F=simple(S)
error: 'simple' undefined near line 1 column 3
>>
it was expected F=x/(x+4)
I'll appreciate any assistance!
Thanks,
Paulo Roberto.
------------------------------
Message: 7
Date: Mon, 12 Jun 2017 09:23:05 -0300
From: Paulo Roberto <address@hidden>
To: address@hidden
Subject: Trouble with symbolic on the Octave.
Message-ID: <address@hidden>
Content-Type: text/plain; charset="us-ascii"
Message: 8
Date: Mon, 12 Jun 2017 09:55:13 -0400
From: Doug Stewart <address@hidden>
To: Paulo Roberto <address@hidden>
Cc: Help GNU Octave <address@hidden>
Subject: Re: Trouble with symbolic on the Octave.
Message-ID:
<address@hidden>
Content-Type: text/plain; charset="utf-8"
On Mon, Jun 12, 2017 at 8:23 AM, Paulo Roberto <address@hidden> wrote:
> Hello, Ocatve users!
>
> My name is Paulo Roberto and I'm a brazilian new user on the Octave.
>
> I'm having some trouble about Symbolic Math. There are some commands that
> is not working on my Octave version, like collect, simple, simplify.
>
> The version of symbolic package is 2.5.0, Octave is 4.2.1 and I'm using
> Anaconda 4.3.1, that includes Python 2.7.13 and SymPy 1.0.
>
> Couls anyone help me about it?
>
> Thanks a lot,
>
> Paulo Roberto.
>
>
> _______________________________________________
> Help-octave mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/help-octave
>
>
Do you have an example of what is not working?