拉个朗日插值公式是把Pn（X）的构造问题转化为n+1插值基函数问题的构造！此软件就是拉哥郎日插值的原程序matlab版-Rafah Colon day interpolation formula is Pn (X) issue of the structure into an n-interpolation function of the structure. This software is Barayagwiza few days interpolation procedures for t

Tomographic Inversion of pn waves. Thesis and matlab codes in the appendix.