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. Key words: stock wave theory; Fibonacci array; frequency analysis; artificial neural network 通过对股市价格波动规律的研究有助于揭示金融市场的运行规律,为证券组合的选择,金融资产定价,期货和期权等金融衍生工具定价以及风险管理提供理论基础.然而,股市投资的收益与风险往往是成正比的,即投资收益越高,可能...; 文献标志码:A 文章编号:1672-7207(2011)03-0726-05 Frequency analysis in stock by neural network LI Qing-feng1, 2, PENG Wen-feng1, HE......
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]// International Conference on Data Mining. Piscataway, NJ: IEEE, 2006: 863-868. [37] MORIN F, BENGION Y. Hierarchical probabilistic neural network language model [C]// 10th International Workshop on Artificial... network’s structure features by a shallow neural network model, and then generates efficient vertex’s embeddings for various tasks. DeepWalk algorithm is originally based on Word2Vec algorithm [6] of word......
in rotation and illumination changes. SURF is the fastest one with the similar performances with SIFT. Since the recognition of artificial pornographic images in social network is required...J. Cent. South Univ. (2016) 23: 1383-1389 DOI: 10.1007/s11771-016-3190-1 Bag-of-visual-words model for artificial pornographic images recognition LI Fang-fang(李芳芳), LUO Si-wei(罗四伟), LIU Xi-yao(刘熙尧......
文献标识码:A Prediction of Al alloy ingot crack tendency based on artificial neural network HUANG Song-lin1, 2, CUI Jian-zhong1 (1. The Key Laboratory of Electromagnetic... alloy; ingot crack; prediction model; artificial neural network 众所周知,材料的成型过程......
optimization process were used for training and testing the neural network. The feed-forward artificial neural network with a 4-5-5-1 arrangement was capable of estimating the leaching recovery of REEs...Prediction of yttrium, lanthanum, cerium, and neodymium leaching recovery from apatite concentrate using artificial neural networksE. Jorjani,A.H. Bagherieh,Sh. Mesroghli,S. Chehreh Chelgani摘 要:
were analyzed by using the finite element method (FEM) and artificial neural network (ANN) method to build a numerical model for predicting the forming load. All the experimental and numerical... causes a significant increase in the forming load for all extrusion ratios and extrusion temperatures. Key words: extrusion; magnesium; AZ31; finite element method; artificial neural network 1......