Final and agreeing with you not enaugh smooth but it's ok for what I
need. I can't use show() on texmacs because the it's an external windows.
Thanks again for your help :)
Henri
Sage] def f(x):
if x<0:
return sqrt(-x^2-2*x)
else:
return -sqrt(-x^2+2*x)
Sage] a=plot(f,(x,-2,2),color='black',fill=sqrt(4-x^2),fillcolor="black")
Sage] b=plot(f,(x,-2,2),color='red',fill=-sqrt(4-x^2),fillcolor="red")
Sage] plot(a+b,figsize=2,axes=False,aspect_ratio=1)
Le 25/03/2014 15:28, kcrisman a écrit :
On Tuesday, March 25, 2014 10:21:29 AM UTC-4, kcrisman wrote:
But I need it in sagemath to get it well embedd in texmacs.
After long trying I didn't not success, my main problem is
conditions.
If a good soul could do it for me all my thanks.
Kind regards,
HG
Does
http://www.sagemath.org/doc/reference/plotting/sage/plot/contour_plot.html#sage.plot.contour_plot.region_plot
<http://www.sagemath.org/doc/reference/plotting/sage/plot/contour_plot.html#sage.plot.contour_plot.region_plot>
help?
Okay, or http://sagecell.sagemath.org/?q=pwwdqz should help.
Personally, I don't like this parametrization; it doesn't seem to
look right at the origin, not smooth enough.
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