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Table 1 The models used in NAMs and the number of parameters of each model based on the number of features (s), hidden neurons (H), and input and output sequence length n

From: Short-term prediction of celestial pole offsets with interpretable machine learning

Model

Number of parameters

\(\mu _j(x_k)\)

\(4H^2+5nH+4H+n\)

\(\sigma _j^2(x_k)\)

\(4H^2+5nH+4H+n\)

\(\mu _j\)

\(s(4H^2+5nH+4H+n)\)

\(\sigma _j^2\)

\(s(4H^2+5nH+4H+n)\)

NAMs

\(2s(4H^2+5nH+4H+n)\)