基于matlab编程开发的一段代码，实现并测试通过了XWvkqx流程的XWvkqx功能，适用于初学XWvkqx者学习该算法的原理，已经编译通过了，测试正常. -Matlab-based programming development of a piece of code, implemented and tested by theXWvkqx process functions for beginners to learn sfs principle of the algorithm has