[{"title":"( 3 个子文件 1KB ) 高等数值计算最小二乘法多项式、指数函数和冥函数曲线拟合","children":[{"title":"指数函数.txt <span style='color:#111;'> 920B </span>","children":null,"spread":false},{"title":"多项式拟合.txt <span style='color:#111;'> 1014B </span>","children":null,"spread":false},{"title":"冥函数.txt <span style='color:#111;'> 0B </span>","children":null,"spread":false}],"spread":true}]