stevejb wrote:
Hello,
I am trying to plot 2 distinct sets on the same region_plot. My code
is as follow
var('x1 x2')
(region_plot( [
( (x2 >= exp(-x1)) or (x2 <= -exp(-x1) )),
],
(-4,4), (-4,4), incol='#ffff7f', outcol='#7f7fff',
bordercol='black',plot_points=300)
).show(aspect_ratio=1)
The or function here won't do what you want (because it is short
circuiting and symbolic expressions don't know how to deal with the "or"
keyword). A function would be the natural way to deal with this right
now, but apparently region_plot can't handle python functions. This is
now http://trac.sagemath.org/sage_trac/ticket/8004
Thanks,
Jason
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