从网格划分软件Gambit读取1维网格的Matlab程序，来自《节点间断迦辽金方法》一书-Matlab program read from the meshing software Gambit one-dimensional grid, from the node discontinuous Galerkin method, " a book

伽辽金方法计算前部分，用以计算梁模型自振频率-The first part of Galerkin method for calculating the natural frequencies of the beam model