14.6.6 Graph of a conic
The
conic
command draws a conic.
conic
takes one mandatory argument and one or two optional arguments:
eq
, the equation of a conic.
Optionally,
vars
, a list of the variables (by default [
x
,
y
]). The variables can also be given as two separate arguments.
conic(
eq
⟨,
vars
⟩
)
draws the conic.
Example
conic
(2*
x
^2+2*
x
*
y
+2*
y
^2+6*
x
)
Ellipsis with center (−2,1)
See also the next section for the parametric equation of the conic.