public static void main(String args[]) {
    String path = "src/main/resources/gmm_data2.txt";
    ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
    DataSource<String> data = env.readTextFile(path);
    DataSet<DenseVector> parsedData = data.map(new ReadVectors());

    // MultivariateNormalDistribution mnd= new MultivariateNormalDistribution(null, null);

    DataSet<Tuple1<Double>> val = parsedData.map(new TestVectors());
    // DataSet<Tuple1<Double>> val2 = parsedData.map(new TestDot());
    try {
      val.print();
    } catch (Exception e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    // DataSet<DenseMatrix> matrix = data.map(new ReadMatrix());

  }