@Test
	public void deltaVectors_test() {
		
		try{
		double []vec1= {1.0,2.0,3.0,1.0};
		double []vec2= {2.0,1.0,1.0,3.0};
		double result = FastICA.deltaVectors(vec1,vec2);
		double exp=1.5;
		Assert.assertEquals(result,exp,0.0);
		}		
		catch (Exception e) {
			// TODO Auto-generated catch block
			fail("Not yet implemented");
		}
	}