return results;
}
public static void main(String[] args) throws Exception {
File file = new File("A.txt");
Matrix A = new LinkedSparseMatrix(new MatrixVectorReader(new FileReader(file)));
Matrix AtA = A.transAmult(A, new LinkedSparseMatrix(A.numColumns(), A.numColumns()));
ArpackSym solver = new ArpackSym(AtA);
Map<Double, DenseVectorSub> results = solver.solve(A.numRows() / 10, ArpackSym.Ritz.LA);
for (Map.Entry<Double, DenseVectorSub> result : results.entrySet()) {