{0,1,0,0},
{0,0,1,0},
{0,0,0,1} };
Matrix matrix1 = new Matrix(m1);
EigenvalueDecomposition e = new EigenvalueDecomposition(matrix1);
double[] d1 = e.getImagEigenvalues();
double[] d2 = e.getRealEigenvalues();
Matrix mx = e.getV();
Assert.assertEquals(1.0, mx.get(0,0));
Assert.assertEquals(1.0, mx.get(1,1));
Assert.assertEquals(1.0, mx.get(2,2));
Assert.assertEquals(4, mx.getRows());