问题决策变量。
With two decision variables, it has two dimensions.
有了这两个决策变量，它就有了两个维度。
The third section shows the values of the decision variables.
第三部分给出了决策变量的值。
The first MathProg step is to declare the decision variables.
第一个MathProg步骤是声明决策变量。
GLPK has to consider the decision variables as integer variables.
GLPK必须要将这些决策变量全部当作整型变量进行考虑。
Note that all the decision variables are either 0 or 1, as expected.
请注意所有的决策变量都是0或1，这与我们期望的一样。
Precise information about the optimal values for the decision variables.
有关决策变量的优化值的确切信息。
Line 14 defines the decision variables, a five-element array on the PROD set.
第14行定义了决策变量，这是一个包含5个元素的PROD集合的数组。
Raw material is listed as a product so that all the decision variables can be in one set.
原材料也作为一个产品列出来，这样所有的决策变量都可以在一个集合中了。
The heart of this problem is the declaration of the decision variables as binary variables.
这个问题的核心是将决策变量声明成二元变量。
The post office problem introduced MathProg expressions and integer-only decision variables.
邮局问题中引入了MathProg表达式和只使用整型的决策变量。
Line 17 declares the decision variables and states that each of them can't be a negative value.
第17行声明了决策变量，并声明每个决策变量都不能是负数。
This very simple program declares the two decision variables: the constraint and the objective function.
这个非常简单的程序声明了两个决策变量：约束和目标函数。
The set covering problem teaches binary decision variables; that is, they can only be 0 or 1, yes or no.
集合覆盖问题涉及的是二元决策变量；也就是说，它们的值只能是0或1、yes或no。
Note how the constraints and the decision variables are now named after the TOY set, which looks clean and organized.
请注意约束和决策变量现在在TOY 后面是如何命名的，这样看起来非常清晰，而且组织良好。
The third section reports the optimal values of the decision variables: 3 scoops of ice cream and one bottle of soda.
报告的第三部分则给出了决策变量的优化值：3份冰激凌和1瓶可乐。
The decision variables are the production of the refinery product in multistage and the state variables are inventory.
其中各阶段产品产量为决策变量，各阶段库存为状态变量。
The mathematical formulations should clearly define the decision variables, the constraints, and the objective function.
这个方程式应该明确的定义决策变量、约束条件和目标函数。
In the model, quality prevention is supplier decision variable, quality evaluation and transfer payment are buyer decision variables.
其中，质量预防水平为供应商的决策变量，购买商对供应商的转移支付和质量评价水平为购买商的决策变量。
The optimal value of the relaxed objective function (the one that didn't consider the decision variables as integers) is also printed here.
放松限制的目标函数(不将决策变量当作整数考虑)的优化值同时也给出来了。
The influence of the main decision variables on the refrigeration and heating costs can be found by analyzing the optimization results.
通过对优化结果的分析，可以看出主要决策变量对制冷、制热成本的影响。
The essential relation between the three decision variables (capacity, price and sold inventory) and passenger demand factor is discussed.
讨论了容量、价格和销售数量三个决策变量与市场需求要素之间的关系；
Expressing decision variables of the structure optimization problem in the form of vector, a 0-1 integer nonlinear programming model is presented.
该结构优化问题的决策变量采用了向量表示方法，建立0-1整数非线性规划模型，给出了可行解存在性的判定方法。
Then you saw how to use a simple MathProg program to solve it using sets, parameters, constraints, decision variables, and an objective (target) function.
接下来我们了解了如何使用一个简单的MathProg程序来使用集合、参数、约束、决策变量和目标函数来解答这个问题。
Line 15 declares the decision variables as an array of seven variables defined on the DAYS set, representing the number of people that start work that day.
第15行将决策变量声明为一个数组，它有七个变量，索引在DAYS集合中定义；分别表示从该天开始工作的员工数目。
You may be wondering, in a problem with many more decision variables and constraints, would you have to declare each variable and each constraint separately?
我们可能会纳闷，在有更多决策变量和约束的问题中，我们只能分别逐一声明每个变量和每个约束吗？
For one single retailer, the explicit solution of the decision variables and the proportion of the channel profit allocated to the retailer were presented.
在一个零售商的情况下，给出了决策变量及供应链利润分配的显式解。
Using this mapping image can visually eliminate abnormal sample data, select decision variables and predict optimal operating point and direction for an industrial process.
利用映射图象可以直观地剔除异常样本数据、选择优化决策变量和预测最优操作点和优化方向。
Using reflux ratio and recovery as decision variables and total cost as objective function, the computer programs were programmed and optimized calculation was carried out.
以回流比、回收率为决策变量，总费用最小为目标函数，编制计算机程序进行优化计算。
Using reflux ratio and recovery as decision variables and total cost as objective function, the computer programs were programmed and optimized calculation was carried out.
以回流比、回收率为决策变量，总费用最小为目标函数，编制计算机程序进行优化计算。
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