用Wolf法计算lorenzeq混沌系统的Lyapunov指数谱。改变混沌系统参数，计算准确，运行let.m文件，即可计算Lyapunov指数谱 -Wolf Law lorenzeq chaotic systems Lyapunov exponent spectrum. Change the chaotic system parameters, calculated accurate, run let.m file, you can calculate the Lyapunov expone