To calculate the weight coefficients of the combination model firstly the Lagrangian multiplier method is applied to object function and equality constrains.
在组合模型的权重系数求解中,首先对目标函数和等式约束使用拉格朗日乘子法来求解权重系数。
This paper puts forward a new combination prediction method, global time-varying weight combinational prediction method.
文章提出了一种新的组合预测方法—全局时变权组合预测方法。
The combination forecasting method gives bigger weight to the models, which better conform with the variation of power load, and improves the precision. The sample calculation shows the truth.
采用组合预测法对能很好反映负荷变化规律的模型赋予较大的权重,从而提高负荷预测精度,示例计算表明组合预测法的预测精度明显高于各单一模型的预测精度。
Index weight was calculated through combination weighting approach of subjective and objective evaluation method of analytic hierarchy process and entropy method combination.
通过层次分析法与熵值法相结合的主客观赋权组合评价方法,对其指标权重进行了计算。
New dominant forecasting method and redundant measure are defined for combination forecasting method with generalized weight arithmetic average, based on error of power of p.
从P次幂误差的概念出发,提出了广义加权算术平均组合预测法新的预测方法优超和冗余度的定义。
Weight geometric average combination forecast model obtained by weighing several different forecast models, is presented in this paper. A method is given to determine the best weight.
本文提出了由几个不同的预测模型通过加权几何平均的方式进行组合从而得到加权几何平均组合预测模型,给出了确定最优权系数的方法。
The entropy method is adopted to obtain the weight coefficient of the combination model, and analysis of the example result shows that this new model significantly improves the forecasting precision.
并采用熵值法对组合模型的权系数进行求解,实证分析表明该模型使预测精度得到了明显提高,具有良好的预测效果。
Based on the concept of superior combination forecasting method and on the concept of redundant method, several problems about combined prediction of non-negative weight are studied in this peper.
本文在优性组合预测方法存在判定理论的基础上,提出了求解非负权重最优组合预测问题的迭代算法。
The combination of pipe network data analysis using the AHP method to determine the evaluation process as a factor for weight method.
结合管网漏损数据分析,确定使用AHP法作为评价过程中因子权重的获取方法。
Then the synthesis optimization process is carried out with entropy value method of the objective weight method to obtain the combination weight of the evaluation indexes;
然后与客观赋权法中的熵值法进行综合优化,求得评价指标的组合权重;
The purpose of this paper is to decide nonnegative weight coefficient of combination forecasting with multiplier method.
研究非负权系数约束下的最优组合预测问题。
The purpose of this paper is to decide nonnegative weight coefficient of combination forecasting with multiplier method.
研究非负权系数约束下的最优组合预测问题。
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