24.15.16 Checking whether lines form a bundle
The
is_harmonic_line_bundle
command determines how lines are related.
is_harmonic_line_bundle
takes
L
, a list or sequence of lines.
is_harmonic_line_bundle(
L
)
returns:
1 if the lines pass through a common point
2 if the lines are parallel
3 if the lines are the same
0 otherwise
Example
is_harmonic_line_bundle
([
line
(0,1+
i
),
line
(0,2+
i
),
line
(0,3+
i
),
line
(0,1)])
1