Hi Stefan,
On Wed, 21 Oct 2009 19:49:58 -0700 (PDT)
Ichnich <[email protected]> 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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