From: Karim R. <kar...@gm...> - 2009-02-13 05:38:00
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First thanks for this excellent tool. I use it in class to show graphs to students. When I do a contour plot of this, I see circles and I should see hyperbolas. gnuplot> set contour gnuplot> splot sin(x**2 - y**2) G N U P L O T Version 4.2 patchlevel 4 last modified Sep 2008 System: MS-Windows 32 bit Note I also tried this in Ubuntu Intrepid 64 bit and saw the same issue. sin(x^2 - y^2) = k for |k| leq 1 x^2 - y^2 = arctan(k) --another constant The graphs is confusing so I can't say if it is wrong. When I tried this function in maple I saw the hyperbolas as expected. Thanks, Karim |