Hi Burcin,
I found a work around in my case:
model_sol1_l=lambda x:exp(x)**sol1_l[a]*exp(sol1_l[b])
instead of
>model_sol1_l(I)=model_exp.subs(sol1_l)
Then it is at least possible to call the function, but the arguments
have to be of real type or floats
<type 'sage.rings.real_mpfr.RealLiteral'>
Greets and thanks,
Stefan
On Oct 22, 10:37 am, Burcin Erocal <bur...@erocal.org> wrote:
> Hi Stefan,
>
> On Wed, 21 Oct 2009 19:49:58 -0700 (PDT)
>
>
>
> Ichnich <warm...@web.de> wrote:
>
> > Hi,
>
> > something does not work anymore in my notebook (with version 4.1.2
> > ubuntu 64bit):
>
> > var('a,b,c,I')
> > model(I)=a*I+b
> > model_exp = exp(I)**a*(b)
> > sol1_l={b: 5.0, a: 1.1}
> > model_sol1_l(I)=model_exp.subs(sol1_l)
>
> > The notebook hangs-up. It's critical on the parameter a, if you change
> > it to 1.0 it's o.k.
>
> Thank you for the report. I can confirm that this causes a crash in
> 4.1.2:
>
> sage: var('a,b,c,I')
> (a, b, c, I)
> sage: model_exp = exp(I)**a*(b)
> sage: sol1_l={b: 5.0, a: 1.1}
> sage: model_exp.subs(sol1_l)
> /home/burcin/sage/sage-4.1.2/local/bin/sage-sage: line 203: 23916
> Segmentation fault sage-ipython "$@" -i
>
> Unfortunately, I can't find a workaround now. I opened a ticket:
>
> http://trac.sagemath.org/sage_trac/ticket/7264
>
> I will work on a fix as soon as I find the time.
>
> Cheers,
> Burcin
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