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All coefficients interval number linear programming model with equality constrains and its solution method

机译：具有等式约束的所有系数区间数线性规划模型及其求解方法

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摘要

All coefficients interval number linear programming model with equality constrains and its solution method are discussed in this paper. A new solution method is presented to solve the all coefficients interval number linear programming model containing not only inequality constrains but also strict equality constrains. The characteristic of the method is via the optimal value of deterministic linear programming to get the equality constrains to satisfy the decision maker's preference. With the method, the decision maker can obtain a satisfactory solution. Finally, the application value of the method is given by a portfolio investment case. And the result shows that the method is scientific and feasible.
机译：讨论了所有具有等式约束的系数区间数线性规划模型及其求解方法。提出了一种求解所有系数区间数线性规划模型的新方法，该模型不仅包含不等式约束，还包含严格的等式约束。该方法的特点是通过确定性线性规划的最优值来获得等式约束，以满足决策者的偏好。使用该方法，决策者可以获得令人满意的解决方案。最后，该方法的应用价值由证券投资案例给出。结果表明，该方法是科学可行的。

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