Left factorials: Difference between revisions
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{{FormulaeEntry|page=https://formulae.org/?script=examples/Left_factorials}} |
{{FormulaeEntry|page=https://formulae.org/?script=examples/Left_factorials}} |
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'''Solution''' |
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The following function calculates the left factorial directly by its definition: |
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[[File:Fōrmulæ - Left factorials 08.png]] |
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However, the following is much faster: |
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[[File:Fōrmulæ - Left factorials 01.png]] |
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'''Test case 1. Showing left factorials from zero to ten''' |
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[[File:Fōrmulæ - Left factorials 02.png]] |
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[[File:Fōrmulæ - Left factorials 03.png]] |
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'''Test case 2. Showing left factorials from 20 to 110, by tens''' |
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[[File:Fōrmulæ - Left factorials 04.png]] |
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[[File:Fōrmulæ - Left factorials 05.png|858px]] |
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'''Test case 3. Showing length of left factorials, from 1,000 to 10,000 by thousands''' |
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[[File:Fōrmulæ - Left factorials 06.png]] |
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[[File:Fōrmulæ - Left factorials 07.png]] |
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=={{header|Frink}}== |
=={{header|Frink}}== |
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