Machine Learning, Artificial Intelligence, Graph Neural Networks, Deep Learning, Data Science.
σ² is non-negative, so we will need an extra activation function. But logσ² could be positive or negative. After we get μ and logσ², we try to make both μ and logσ² close to 0, which means μ is close to 0 and σ is close to 1. Therefore the final distribution will be close to N(0,1). Finally, we