@Test
	public void deltaMatrices_test() {
		
		try{
		double [][]mat1= {{1.0,2.0}, {3.0,1.0}};
		double [][]mat2= {{2.0,1.0}, {1.0,3.0}};
		double result = FastICA.deltaMatrices(mat1,mat2);
		double exp=1.5;
		Assert.assertEquals(result,exp,0.0);
		}		
		catch (Exception e) {
			// TODO Auto-generated catch block
			fail("Not yet implemented");
		}
	}