The behavior of the optimizer is influenced by three key factors: the value of OPTCOMPIND parameter in the Informix configuration file, query directives, and the accuracy of internal statistics.
优化器的行为受三个关键因素的影响：Informix配置文件中OPTCOMPIND参数的值、查询命令和内部统计数据的准确性。
The results of two practical examples prove its validity and accuracy when applied it in parameter identification of composite load model.
实际算例的结果证实了该算法对综合负荷模型参数辨识的有效性和准确性。
Analysis on the effect of parameter estimation and forecast accuracy according to the select of variable factors.
变量因子选择对参数估计和估测精度的影响分析。
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