This is bifurcation phase of Cubicmap using matlab. If you want to study the nonlinear dynamics, it is a good example for beginner. It will be helpful for you to simulate the bifurcation phenonmenons in nonlinear discrete dynamical systems.

Nonlinear Least-Squares using Matlab. Demo Spanish

matlab从入门到精通 非线性仿真系统图形绘制-nonlinear plot

采用MATLAB的lsqcurvefit函数进行非线性拟合。-Nonlinear fitting using lsqcurvefit s MATLAB function。