基于matlab编程开发的一段代码，实现并测试通过了akd流程的skf功能，适用于初学sfs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 the akd skf process functions for beginners to learn sfs principle of the algorithm has been compiled through, the tests are normal.