In view of the problems of the connection weights and thresholds of the extreme learning machine are randomly generated before training and remain unchanged during the training process. the number of hidden layer nodes is pre-allocated. and the hidden layer parameters are randomly selected. Too many hidden layer nodes not only make the network more complex but also reduce the generali... https://olivebookmarks.com/story19598698/red%C3%A9finition-des-r%C3%A9cits-urbains-analyse-de-deux-d%C3%A9placements-du-centre-politique-de-macap%C3%A1-1944-et-1967