Weird Result from Range

Weird Result from Range - Messaggi

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#1 Pubblicato: 17/07/2023 01:20:34

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For n=5, the result is right.

But for n=6, it's supposed to have 7 elements instead of 6

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#2 Pubblicato: 17/07/2023 06:59:01

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Wrong way to discretize a range.

#3 Pubblicato: 17/07/2023 08:09:12

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Wrote
For n=5, the result is right.

But for n=6, it's supposed to have 7 elements instead of 6

Probably something about precision of double type. In the second range if you add a 10^-14 to the uppper bound it return the expected vector.

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2 utenti hanno apprezzato questo post

netsonicyxf 17/07/2023 09:41:00, Oscar Campo 18/07/2023 15:18:00

#4 Pubblicato: 17/07/2023 10:40:35

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n even starts being exact ... n 10
n odd stops being exact ..... n 15
You have no control on numerical arithmetic.