[{"title":"( 3 个子文件 16KB ) 基于BP网络的上证指数预测方法","children":[{"title":"基于BP网络的上证指数预测方法","children":[{"title":"bp.m <span style='color:#111;'> 1.66KB </span>","children":null,"spread":false},{"title":"learn.xls <span style='color:#111;'> 50.00KB </span>","children":null,"spread":false},{"title":"README.md <span style='color:#111;'> 962B </span>","children":null,"spread":false}],"spread":true}],"spread":true}]