On Sat, Oct 17, 2009 at 1:21 PM, ma...@mendelu.cz <ma...@mendelu.cz> wrote:
>
> Hello all,
>
> does Sage solve inequlitites? According to Maxima mail list (
> http://thread.gmane.org/gmane.comp.mathematics.maxima.general/28497/focus=28530
> ) Maxima can do at elast someting in this area. I was not able to find
> out, wheather Sage can somehow solve ineqaulities - via maxima or via
> another way. Can it?
sage: x,y = var("x,y")
sage: region_plot([x^2+y^2<1, x<y], (x,-2,2), (y,-2,2))
is an example of plotting the solutions to some inequalities.
>
> Robert Marik
>
>
> >
>
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