[{"title":"( 2 个子文件 188KB ) 三种数值计算方法(欧拉方法,龙格-库塔方法和直线拟合最小二乘法)","children":[{"title":"新建文件夹 (2)","children":[{"title":"最小二乘(详细)法.wps <span style='color:#111;'> 168.00KB </span>","children":null,"spread":false},{"title":"第6章.ppt <span style='color:#111;'> 219.50KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]