Task

Write a program to find the sum of squares of a numeric vector.

The program should work on a zero-length vector (with an answer of   0).



Related task

   Mean


function sumsq(array) {
  var sum = 0;
  var i, iLen;
 
  for (i = 0, iLen = array.length; i < iLen; i++) {
    sum += array[i] * array[i];
  }
  return sum;
}
 
alert(sumsq([1,2,3,4,5]));  // 55