However, the analytical solutions to the optimal portfolioproblem are not obtained generally in practical market. What we can do in general is to get the approximations of this problem.
由于现实中组合最优化问题的解析解一般是无法求得的，所以通常能做的是求解问题的近似解。
2
By adding WAS CE to the WebSphere portfolio, our customers and partners can choose the application server technology appropriate to the problem they are trying to solve.