Intersection of Two Normals
The normals at parameters $$t_1$$ and $$t_2$$ are:
$$y=-t_1x+2at_1+at_1^3$$
$$y=-t_2x+2at_2+at_2^3$$
Their intersection can be obtained by solving these two linear equations.
Usage
- Used when two normals and their point of intersection are involved.