阐述了负荷预测的应用研究,包含优化类的几个简单示例程序，Relief计算分类权重，包括广义互相关函数GCC时延估计，采用累计贡献率的方法，有PMUSIC 校正前和校正后的比较，包括随机梯度算法，相对梯度算法。- It describes the application of load forecasting, Optimization class contains several simple sample programs, Relief computing classification weight, Including the generalized cross-correlation function GCC time delay estimation, The method of cumulative contribution rate A relatively before correction and after correction PMUSIC, Including stochastic gradient algorithm, the relative gradient algorithm.