Exemple 6¶

$$f : (x,y) \longmapsto \frac{x y}{x^2 + y^2}$$
In [1]:
x, y, z = var("x y z")
S = plot3d(x*y/(x^2+y^2), (x, -2, 2), (y, -2, 2))
show(S, aspect_ratio=1)
In [2]:
x, y, z = var("x y z")
S = plot3d(x*y/(x^2+y^2), (x, -2, 2), (y, -2, 2), plot_points=300)
show(S, aspect_ratio=1)