8.7.2 Drawing a 2D horizontal line:
LineHorz
The
LineHorz
command draws a horizontal line in ℝ
2
.
LineHorz
takes one argument:
a
, a number.
LineHorz(
a
)
draws the horizontal line
y
=
a
.
Example.
Input:
LineHorz(1)
Output:
