All know that most of the optimization of economic system can be converted into conditional extreme value problem which takes nonlinear operator or multi operator as constraints.
许多经济系统中的优化问题，可化为用单值非线性算子或多值算子形成约束条件的条件极值问题。
Three dimension packing problem with multi constraints is a complicated combinatorial optimization, and is NP HARD problem. It is difficult to obtain on optimal solution.
多约束条件下的三维装箱问题是一个复杂的组合优化问题，属于NP- HARD问题，其求解是很困难的。
With the weighting function matrix as design parameters, the design of a control system can be expressed as a multi-objective optimization problem with inequation constraints.
若将加权阵当作设计参数，则控制系统的设计可以表示为一个满足一组不等式约束的多目标优化问题。
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