Averages/Root mean square: Difference between revisions

=={{header|C}}==

<lang c>#include <stdio.h>

#include <math.h>

double rms(double *v, int n)

{

int i;

double sum = 0.0;

for(i=0; i < n;i++) sum += pow(v[i], 2);

return sqrt(sum / n);

}

int main()

{

double v[] = {1., 2., 3., 4., 5., 6., 7., 8., 9., 10.};

printf("%f\n", rms(v, sizeof(v)/sizeof(double)));

return 0;

}</lang>