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Wavelet neural network is a neural network combining the wavelet theory with neural network theory, which avoids nonlinear optimization problems such as blindness of the design of BP neural network structure and local optimum, greatly simplifying the training. The use of wavelet neural networks to forecast regional logistics demand provided an important reference for regional logistics systematic...
Resource is the necessities for human survival and development. According to the hypothesis of Romer's theory, growth drag is caused by the limitation of resource and land in fact. This paper considers the influence of excessive water using on Chinese economic and farther analyses the economic growth drag of China. The results show that the growth drag value for the water resource being excessively...
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