BP神经网络C程序，在该题的程序设计中采用了文件相关的操作，记录了相关学习和测试信息数据。-BP neural network C program, use the file related operations in the program design of the subject, record related learning and testing information data.

关于计算全息的matlab仿真程序，可直接运行，适合加密的去学习。(Matlab CGH on the simulation program, can be directly run, suitable for encryption to learn.)