该代码将提取抗震试验的滞回曲线，形成骨架曲线，大大简化了数据的处理过程。可将其添加到MATLAB 的APP 中直接使用。还有几个命令流是ANSYS中提取结构刚度矩阵的代码。(This code will extract the hysteresis curve of the seismic test to form a skeleton curve, which greatly simplifies the data processing process. It can be added to