Shoelace formula for polygonal area: Difference between revisions
Shoelace formula for polygonal area (view source)
Revision as of 21:27, 29 October 2021
, 2 years agoAdded AutoHotkey
m (→Python: Defined in terms of reduce and cycle: Section title amended by its original author) |
Alpha bravo (talk | contribs) (Added AutoHotkey) |
||
Line 196:
<pre> shoelace (3 4) (5 11) (12 8) (9 5) (5 6)
30</pre>
=={{header|AutoHotkey}}==
<lang AutoHotkey>V := [[3, 4], [5, 11], [12, 8], [9, 5], [5, 6]]
n := V.Count()
for i, O in V
Sum += V[i, 1] * V[i+1, 2] - V[i+1, 1] * V[i, 2]
MsgBox % result := Abs(Sum += V[n, 1] * V[1, 2] - V[1, 1] * V[n, 2]) / 2</lang>
{{out}}
<pre>30.000000</pre>
=={{header|C}}==
| |||