cross multiply

Cross Multiply Trend Model is one of Season Forecasting Method, it can increase the season swing according to historical data trend, but the feature of season contained in historical data can not be extracted adequately when get season index by average historical season index simply.

季节预测模型中的交乘趋向模型虽然能根据历史趋势的变化加大季节跳动幅度，但对于季节指数的处理只是使用了历史季节指数球平均，无法很好地提取历史数据中含有的季节特征信息。

The inner product algorithm and cross multiply algorithm in the vector calculation are used to deduce active power and reactive power.

利用矢量运算中的内积算法和叉乘算法来推导有功功率和无功功率。

cross-multiply correlation values with priority factors and sum for each input

每一输入的具有关键因数的相互交叉关联的数值及其总和值？