public double[] getColumn(int column) {
        int i = 0;
        double[] columnValues = new double[vectors.size()];

        for (DoubleVector vector : vectors)
            columnValues[i++] = vector.get(column);
        return columnValues;
    }
public double [ ] getColumn ( int column ) { int i = 0 ; double [ ] columnValues = new double [ vectors . size ( ) ] ; for ( DoubleVector vector : vectors ) columnValues [ i ++ ] = vector . get ( column ) ; return columnValues ; }
{@inheritDoc}