用matlab对duffing方程进行求解，duffing方程是混沌算法的主要分支之一，具有效果较为良好的微弱信号检测功能。-Duffing equation is solved using matlab Duffing equation is one of the main branches of the chaotic algorithm with a the effect weak signal detection function.

自适应混沌粒子群算法的matlab程序，有测试函数-Adaptive chaotic particle swarm algorithm matlab procedures, test function