基于双隐含层BP神经网络的某金矿回收率预测研究
张帅,赵鑫,彭祥玉,王宇斌,桂婉婷,田家怡

Prediction of the Recovery Rate of a Gold Mine Based on Double Hidden Layer BP Neural Network
Shuai ZHANG,Xin ZHAO,Xiangyu PENG,Yubin WANG,Wanting GUI,Jiayi TIAN
表7 3种激活函数训练集和测试集的拟合优度
Table 7 Goodness of fit of the training sets and test sets of three activation functions
激活函数训练集R2测试集R2
tansig0.97340.9842
purelin0.96510.9401
logsig0.97930.9862