基于Matlab2007a平台,通过BP神经网络训练并进行预测股指，可以预测收盘、开盘、最大、最小等指标；分析实际值与预测值在振幅、均值、涨幅、隔天涨率、跳率、当天涨率等方面的变化 ，从而验证预测股指与实际股指变化趋势是否一致。提供了实验数据及格式说明和仿真结果-Based Matlab2007a platform by BP neural network training and forecast stock index, can predict the closing, opening, maximum, minimum, and other indicators　analysis of actual and predicted values ​ ​ in amplitude, mean, or the next day, the inflation rate, rebound rate, the day of the inflation rateother aspects of the change, to verify the forecast the stock index and the actual stock index trends are the same. Provide a descr iption and simulation results of the experimental data and format