On Wed, Feb 20, 2008 at 4:04 AM, Jason Grout
<[EMAIL PROTECTED]> wrote:
>
> dean moore wrote:
> > Thanks for the response! I used some slightly different code; in case
> > anyone else deals
> > with the "wiggling graph" problem before the next SAGE is out, one
> > snippet that worked
> > for me follows:
> >
> > /def f(x):
> > return x*sin(x^2)
> > v = []
> >
> > # Define graph outside loop to avoid "wiggling graph" problem:
> >
> > graph = plot(f, [-1, 3], thickness = 1, rgbcolor = (0,0,1))
> >
> > # Now animate this graph:
> >
> > for i in srange(10):
> > v.append(graph)
> >
> > curve = animate(v)
> > curve.show()/
> >
> > ---
> >
> > The graph was "immobile."
>
>
> The above code is still preferable, even after the next release, because
> there is still some randomness in how interior points are chosen,
> leading to some wiggle in the graph. The only thing fixed in this next
> release is the endpoints being adjusted randomly.
I've posted a patch here:
http://trac.sagemath.org/sage_trac/ticket/2244
that adds an option
plot(..., randomize=False)
that turns off all randomness in the choice of interior points.
This patch should be applied *after* your (=Jason Grout's) plot
fix. Jason, can you referee this?
>
> Not to mention that the above code does the plot calculation only once,
> which is faster anyway.
>
>
>
> Jason
>
>
> >
>
--
William Stein
Associate Professor of Mathematics
University of Washington
http://wstein.org
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