Crater Lakes
Text Cartesian coordinates: f(x,y) = -(x2 + y2)2 + 2(x2 + y2) + cx
Polar coordinates: f[r,θ] = -r4 + 2r2 + crcos(θ)
Demos
Crater Lakes Contours
| 
|
This demo shows the contour levels for the crater lakes function f(x,y)= -(x2+y2)2+2(x2+y2)+ax.
|
|