Shoelace formula for polygonal area: Difference between revisions
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===Python: |
===Python: Defined in terms of reduce and cycle=== |
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Or, defined in terms of '''reduce''' and '''cycle''': |
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{{Trans|Haskell}} |
{{Trans|Haskell}} |
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{{Works with|Python|3.7}} |
{{Works with|Python|3.7}} |
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<pre>Polygonal area by shoelace formula: |
<pre>Polygonal area by shoelace formula: |
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[(3, 4), (5, 11), (12, 8), (9, 5), (5, 6)] -> 30.0</pre> |
[(3, 4), (5, 11), (12, 8), (9, 5), (5, 6)] -> 30.0</pre> |
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===Python: Alternate=== |
===Python: Alternate=== |
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