double break_down(Eigen::VectorXd &v, double cutoff)
{
std::vector<double> v2;
v2.resize(v.count());
for (int i = 0; i < v.count(); ++i)
v2[i] = v(i);
return break_down(v2,cutoff);
}
double median(Eigen::VectorXd &v)
{
std::vector<double> v2;
v2.resize(v.count());
for (int i = 0; i < v.count(); ++i)
v2[i] = v(i);
return median(v2);
}