double[][] A = new double[][] { {-2,2} , {2,-5} } ;
double[] alpha = new double[] {0.2,0.4};
DenseContPhaseVar v1 = new DenseContPhaseVar(alpha, A);

double[][] B = new double[][] { 
			{-4,2,1} , {1,-3,1} , {2, 1,-5} } ;
double[] beta = new double[] {0.1, 0.2, 0.2};
DenseContPhaseVar v2 = new DenseContPhaseVar(beta, B);

ContPhaseVar v3 = v1.sum(v2);
System.out.println("v3: "+v3.toString());
		
		