x=(1-y^2)^(1/2)

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x=(1-y^2)^(1/2)

Post  Michel S on Wed Mar 11, 2009 8:18 am

Hi there. When I try to graph x=(1-y^2)^(1/2) I get a half-cilinder, as expected, but also two semiplanes parallel to the y-axis extending from the "edges" of the half-cilinder. As I understand it, GC is declaring x=0 for |y|>1. A bug, maybe?

Michel S
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Re: x=(1-y^2)^(1/2)

Post  runiter on Wed Mar 11, 2009 9:39 am

You're right, instead of setting x to zero for uncomputable values it should not draw the corresponding coordinates at all. We will fix this in the next version (v3.1).

Thanks for bringing this to my attention

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