最优化算法，单纯形法，两阶段法，大M法，单纯形法（两步法）求解任意LP问题的可视化界面-Optimization algorithm, simplex method, two-phase method, Big M method

本代码可用来提取计算心率变异性非线性域特征值（SampEnVal, AlphaDFA, AlphaDFA1, AlphaDFA2 ）(Extract Nonlinear features of HRV. %Inputs: RRI = inter-beat interval (s) and time locations (s) % opt = analysis options from gui % %Outputs: output