说明：  利用matlab进行层合板经典理论模型的的编程，该项内容是基于大神的代码 结合自身的需求进行了简单的修改 仅供参考使用 如有问题还请自行解决
(Matlab is used for the programming of the classical theoretical model of laminates. This content is based on the code of The Great God combined with its own needs to make a simple modification for reference only. If there are any problems, please solve them by yourself)