将利用HBMAT读出来的hb文件转换为matlab稀疏存贮，得到结构刚度阵质量阵-Will be read out by HBMAT hb files into matlab sparse storage, mass matrix by matrix stiffness, etc.

matlab读取ansys导出的刚度阵和质量阵文件(get mass and stiffness matrices with matlab by reading output files ansys)