class ColumnVector {

  public double max() {
    double maxVal = this.vector[0];
    for (final double val : this.vector) {
      maxVal = Math.max(maxVal, val);
    }

    return maxVal;
  }

  public  ColumnVector(final int size);
  public  ColumnVector(final double... vector);
  private  ColumnVector(final Matrix matrix);

}