中文说明：MATLAB的三边定位仿真程序，基于RSSI对于研究室内定位的朋友来说，是一个很好的定位算法参考程序，比如iBeacon，WiFi定位等等，都可以从这个源码中得到启发，相信这是一份比较有用的代码！！
English Description：
Trilateral positioning MATLAB simulation program, based on RSSI for researching indoor positioning for friends, reference program is a very good positioning algorithms, such as iBeacon,WiFi position, and so on, can be inspired from this source, I believe it is a more useful code!!