Thanks,
solved my problem!
Cheers,
tobi
On Tue, 23 Mar 2010 13:49:46 +0100
Burcin Erocal <bur...@erocal.org> wrote:
> On Tue, 23 Mar 2010 05:07:05 -0700 (PDT)
> tk <tobi...@web.de> wrote:
>
> > I tried to do some calculations and used a self-defined function.
> > After that, I wanted to change it to another function like sin or
> > just
> > a constant.
> > I am using the binary version on Ubuntu Karmic.
> >
> > What I got was the following:
> > ----------------------------------------------------------------------
> > | Sage Version 4.3.3, Release Date:
> > 2010-02-21 | | Type notebook() for the GUI,
> > and license() for information. |
> > ----------------------------------------------------------------------
> > sage: var('t1,t2,t3') (t1, t2, t3)
> > sage:
> > f1=function('f1',x)
> > sage:
> > et1=t1==f1(x=t2)*t3
> > sage:
> > et1.substitute_function(f1,sin)
> > t1 == t3*f1(t2)
> >
> > Didn't I get how it works?
>
> This works:
>
> sage: var('t1,t2,t3')
> (t1, t2, t3)
> sage: function('f1')
> f1
> sage: et1=t1==f1(t2)*t3
> sage: et1
> t1 == t3*f1(t2)
> sage: et1.substitute_function(f1,sin)
> t1 == t3*sin(t2)
>
>
> Cheers,
> Burcin
>
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