lib/fase-2/commonality.js
function arrayVector(size) {
  var vec = new Array(size);
  for (var i = 0; i < size; i++) vec[i] = [];
  return vec;
}
function arrayVector(size) {
  var vec = new Array(size);
  for (var i = 0; i < size; i++) vec[i] = [];
  return vec;
}
function arrayVector ( size ) { var vec = new Array ( size ) ; for ( var i = 0 ; i < size ; i ++ ) vec [ i ] = [ ] ; return vec ; }
Extend the rows or the collums
Extend the rows or the collums