class SparseFieldMatrix extends AbstractFieldMatrix<T> {

    @Override
    public FieldMatrix<T> copy() {
        return new SparseFieldMatrix<T>(this);
    }

    public  SparseFieldMatrix(final Field<T> field);
    public  SparseFieldMatrix(final Field<T> field,
                             final int rowDimension, final int columnDimension);
    public  SparseFieldMatrix(SparseFieldMatrix<T> other);
    public  SparseFieldMatrix(FieldMatrix<T> other);

}