这是一个拉格朗日插值法的matlab程序，适合学习数值模拟的同学学习下载。-This is a Lagrangian of Matlab interpolation procedures, numerical simulation study for students learning to download.

Handles Hexahedral, Tetrahedral, Quadrilateral, and Triangle meshes. Lagrangian, Hierarchic, and Monomial finite elements. Interface to PETSc solvers, adaptive mesh refinement, and extreme portablility.