Isprime optimus [FAST]

版本 1.6 (1.4 KB) 作者: Nicolas Douillet
Primality test using isprime Matlab(r) stock function, but ~60% faster. Based on Nicolas Douillet 'Christmas eve prime squares expression'.
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更新时间 2023/12/31

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Once downloaded, typewrite 'help isprime_optimus' in Matlab console for support.
To benefit from the file documentation attached, be sure to download the files, not to just copy and paste them.
Input
  • u : a vector of integers sorted in ascending order.
Output
  • is_prime : logical vector, result of u primality test. size(is_prime) = size(u).
Please don't forget to rate if this code helped you. Thanks ! ;-)

引用格式

Nicolas Douillet (2024). Isprime optimus [FAST] (https://www.mathworks.com/matlabcentral/fileexchange/156359-isprime-optimus-fast), MATLAB Central File Exchange. 检索来源 .

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创建方式 R2019b
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版本 已发布 发行说明
1.6

+ fast tag
1.5

Update overview
1.4

help / header + comments and description.
1.3

Sampling expression factorization
1.2

Minor comment add + copyright year.
1.1

+ CPU time curves comparison picture
1.0.0