//Evaluate the whole operation
public override double[,] Calculate()
{
double[,] l_res = left.Calculate();
double[,] r_res = right.Calculate();
double[,] res = CreateOperation.EvaluateOperation(l_res, r_res, op);
return(res);
}
public override double Calculate()
{
double r_res = right.Calculate();
double res = CreateOperation.EvaluateOperation(r_res, op);
return(res);
}