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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