@Test
	public void sqrtVector_test() {
		
		try{
		double []vec1= {1.0,4.0,9.0,16.0};
		double [][]mat1= {{1.0,2.0}, {3.0,1.0}};
		FastICA fast = new FastICA(mat1, 1);
		double[] result = fast.sqrtVector(vec1);
		double[] exp={1.0,2.0,3.0,4.0};
		Assert.assertArrayEquals(exp,result,0.0);
		FirstEVFilter fv= new FirstEVFilter(0);
		fv.passEigenValues(vec1, mat1);
		fv.getEigenValues();
		fv.getEigenVectors();
		}		
		catch (Exception e) {
			// TODO Auto-generated catch block
			fail("Not yet implemented");
		}
	}