模拟结果表明加权最小二乘估计比最小二乘估计有优良的性质。
Simulation results show that the weighted least squares estimate has better properties than the least squares estimate.
本文使用不变加权面积平均值性质刻画了单位圆盘内的调和函数。
In this paper, we give a condition for harmonic functions in the unit disk by invariant weighted area-mean-value property.
对基于最小几何距离的加权调和平均组合预测模型的性质进行了研究，从理论上说明了该种方法的有效性。
We study the properties of harmonic means combination forecasting method based on minimizing geometric distance to demonstrate the effectiveness of this method theoretically.
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