Suppose I have a surface that I know the equation for, either analytically or from the form provided by the Surface Fitting Tool (sftool) in the Curve Fitting Toolbox. I would like to find the equation of the intersecting line between the plane and the surface.
An illustration of what I mean follows:
[x,y] = meshgrid(-2:0.1:2); zplane = 3*x + 4*y; zsurf = x.^2 + 3 + y.^2; figure hold on surfl(x,y,zplane) surfl(x,y,zsurf) hold off
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