运用matlab的程序提取nastran的结果文件里面的模态信息-Use matlab program to extract files which results nastran modal information

用于nastran导出的计算结果的进一步提取，提取成标准的数据txt。 LabVIEW2013打开。(For the further extraction of the results of the nastran export, extract the standard data txt.Use LabVIEW2013 to open it.)