Nth root: Difference between revisions
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2nd Root of 2 Precision .00001 1.414213562374690 |
2nd Root of 2 Precision .00001 1.414213562374690 |
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10th Root of 1024 Precision .00001 2.000000000000000</pre> |
10th Root of 1024 Precision .00001 2.000000000000000</pre> |
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=={{header|Rust}}== |
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{{trans|Raku}} |
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<lang rust>// 20210212 Rust programming solution |
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fn nthRoot(n: f64, A: f64) -> f64 { |
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let p = 1e-9_f64 ; |
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let mut x0 = A / n ; |
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loop { |
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let mut x1 = ( (n-1.0) * x0 + A / f64::powf(x0, n-1.0) ) / n; |
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if (x1-x0).abs() < (x0*p).abs() { return x1 }; |
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x0 = x1 |
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} |
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} |
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fn main() { |
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println!("{}", nthRoot(3. , 8. )); |
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}</lang> |
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=={{header|Sather}}== |
=={{header|Sather}}== |
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