Question

write a c++ program that computes the L^2 - Norm (Euclidean norm) of a given vector (L^2 norm of a vector is the square root of the sum of the squares of all the components of the vector)

Answer 1

#include <bits/stdc++.h>
using namespace std;
int v[1000000];
int main()
{
int n;//Enter the no of dimensions of the vector
cin>>n;
int i;

int sum=0;
for(i=0;i<n;i++)
{
cin>>v[i];//Enter the coefficient of the vector
sum=sum+abs(v[i]);//Calculating Sum of Vector
}
cout<<" L^1 - Norm of a given vector "<<sum<<" ";
return 0;
}

Input-->

4
-1 -1 2 3

Output-->

 L^1 - Norm of a given vector 7

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