n

m

x i = 90 的误差

x i = 100 的误差

x i = 110 的误差

RMSE

200

80

−5.0712e−4

−3.6114e−3

−5.6112e−4

2.1303e−3

400

160

−4.2847e−4

−1.1047e−3

−1.5973e−4

6.9031e−4

800

320

−3.8520e−5

−3.7678e−4

−4.7168e−5

2.2036e−4

1600

640

−1.3619e−5

−1.4210e−4

−1.4438e−5

8.2840e−5