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sum of squares formula

Code Eater answered on May 31, 2022 Popularity 10/10 Helpfulness 1/10

answer sum of squares formula

related Ways to make a sum of squares calculation

sum of squares formula

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fn sum_of_sqares(list: &[i64]) -> i64 {
    list.iter().map(|x| x * x).sum::<i64>()
}

Popularity 10/10 Helpfulness 1/10 Language rust

Source: Grepper

Tags: formula rust sum

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Contributed on Jan 05 2024

Code Eater

0 Answers Avg Quality 2/10

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Ways to make a sum of squares calculation

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// Ways to make a sum of squares calculation

// Using an array passed to a function
fn sum_squares1(aa: [i32; 10] ) -> i32 {
    aa.iter().map(|x| (x * x)).sum::<i32>()
}

fn main() {
    let aa: [i32; 10] = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
    println!("Sum of squares array = {} ", sum_squares1(aa) );  

    // Generating a sequence of numbers    
    let n = 10.0;
    let result1 = (1..=n as i32).map(|x| (x * x)).sum::<i32>();
    println!("Sum of squares sequence = {:?} ", result1); 

    // Making a calculation with no iterations
    let result2 = n * (n + 0.5) * (n + 1.0) / 3.0;   
    println!("Sum of squares calculation = {} ", result2);       
}

Popularity 10/10 Helpfulness 1/10 Language rust

Source: Grepper

Tags: calculation calc

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Contributed on May 31 2022

Mackerel

0 Answers Avg Quality 2/10

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sum of squares formula

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