摘要
根据郑州商品交易所PTA期货价格,应用基于GM(1,1)改进的Verhulst模型对其进行模拟预测.通过计算、分析得出所建立的模型模拟预测结果较灰色Verhulst模型模拟预测精度高,更接近实际情况.
By using of the improved Verhulst model which is based on GM（1,1）,this paper forecasts the PTA futures price of Zhengzhou Commodity Exchange.Through calculation and analysis,we can see that the improved Verhulst model has higher forecast precision than grey Verhulst model,and the results are more closer to the actual situation.
出处
《周口师范学院学报》
CAS
2009年第5期38-40,共3页
Journal of Zhoukou Normal University
