在经典力学框架内和小振幅近似下，引入正弦平方势，把粒子的运动方程化为广义Duffing方程。在二次非线性情况下，把Duffing方程化为外尔......

<正>In this paper,we obtain the fractal dimension of the graph of the Weierstrass function, its derivative of the fracti......