power = 0;
    double *Y_vector = new double[s];
    for (int i = 0; i < s; i++)
    {
        Y_vector[i] = 0;
        for (int j = 0; j < n; j++) //http://funkyimg.com/i/WGoZ.png
        {
            Y_vector[i] += powf(function_values[j].x, power)*function_values[j].y;
        }
        power++;
    }