使用双线性滞回模型的单自由度 弹塑性时程分析，MATLAB编程(Single degree of freedom elastoplastic time history analysis using bilinear hysteretic model, MATLAB programming)

单自由度地震能量计算的程序matlab,用于计算非线性单自由度体系的地震能量(Single-degree-of-freedom seismic energy calculation program matlab, used to calculate the seismic energy of nonlinear single-degree-of-freedom systems)