See section 12.11.3 for parabolas in space.
The parabola command draws parabolas and other conic sections.
parabola can take parameters in different forms.
parabola returns and draws the conic section given by the
equation.
Input:
Output:
parabola returns and draws the parabola.
Input:
Output:
Note that if the second argument is a point on the real axis, the real affix of the point won’t work, it needs to be specified with the point command.
parabola returns and draws the parabola
y = b + c(x − a)^{2}.
Input:
Output:
Input:
Output:
Note that if the third argument is a point on the real axis, the real affix of the point won’t work, it needs to be specified with the point command.