FEM
代码说明：
有限元平面应力问题计算，总体刚度矩阵矩阵压缩存储，LU分解求解(Plane stress finite element calculation, the overall stiffness matrix of compressed storage matrix, LU decomposition Solving)
文件列表：
FEM
...\.DS_Store,6148,2016-05-06
...\add_condition.cpp,330,2016-05-03
...\creat_k.cpp,947,2016-05-06
...\creat_k.h,263,2016-05-04
...\draw.cpp,895,2016-05-05
...\element.cpp,2039,2016-05-05
...\infile.cpp,1257,2016-05-06
...\main.cpp,3843,2016-05-06
...\point.h,767,2016-05-05
...\solve.cpp,2397,2016-05-06
...\solve.h,353,2016-05-06
__MACOSX
........\FEM
........\...\._.DS_Store,120,2016-05-06
........\...\._add_condition.cpp,171,2016-05-03
........\...\._creat_k.cpp,171,2016-05-06
........\...\._creat_k.h,171,2016-05-04
........\...\._draw.cpp,171,2016-05-05
........\...\._element.cpp,171,2016-05-05
........\...\._infile.cpp,171,2016-05-06
........\...\._main.cpp,171,2016-05-06
........\...\._point.h,171,2016-05-05
........\...\._solve.cpp,171,2016-05-06
........\...\._solve.h,171,2016-05-06
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