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Implement exclusions in a contourplot[ ]?

Chiel Geeraert
Posted 4 years ago

ContourPlot[(x - y)/(x + y), {x, -10, 10}, {y, -10, 10}, Exclusions -> {x + y == 0}, Automatic, Frame -> True, Axes -> Automatic, AxesOrigin -> {0, 0}, AxesStyle -> GrayLevel[0.5], PlotPoints -> 200, ContourLabels -> False, ContourStyle -> Red, ContourShading -> False]

I want to exclude the line x+y == 0, and I don't know how to do it. Tried various things, but nothing works.

Can anyone help me ?

Chiel Geeraert, Netherlands
POSTED BY: Chiel Geeraert
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Rohit Namjoshi
Rohit Namjoshi
Posted 4 years ago

Hi Chiel

Instead of Exclusions, have you tried using RegionFunction? e.g.

RegionFunction -> (#1 + #2 != 0 &)
POSTED BY: Rohit Namjoshi
Chiel Geeraert
Chiel Geeraert
Posted 4 years ago

No, I didn't try beforehand. But just a minute ago I gave a try, but alas, an error. To be sure I checked options[contourplot] and exclusions is part of the options there. Somehow I do something wrong, but it should be possible.
POSTED BY: Chiel Geeraert
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