X${}^t$ and X${}^s$分别是训练和测试输入矩阵
predictive model h of the mapping between X${}^t$ and Y${}^t$ in the training data can be applied to the testing data，predictive model g of the mapping between X${}^t$ and X${}^s$ in the input data can be applied to the output data.
${{\rm Y}}^t$ encodes the input-output correlation

辅助信息

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