文档介绍：(多项式插值的振荡现象)...................................................................................................................3实验要求1:..................................................................................................................................................3程序:.....................................................................................................................................................3主函数:.................................................................................................................................................3实验结果:.............................................................................................................................................5实验要求2:..................................................................................................................................................6(1)对:4( )1xh xx??......................................................................................................................6程序:.....................................................................................................................................................6主函数:.................................................................................................................................................6实验结果:.............................................................................................................................................8实验分析.................................................................................................................................................8(2)对g(x)=arctanx.......................................................................................................................9程序:.....................................................................................................................................................9实验结果:........................................................................