小环在非光滑抛物线约束下运动的级数解

A SOLUTION OF POWERS SERIES FOR THE MOTION OF A SMALL RING BOUNDED BY THE ROUGH PARABOLA

研究小环非光滑抛物线的运动问题具有一定的实际意义和教学价值.本文采用幂级数展开方法求得这问题的级数解.文中使用的具体展开技巧对类似问题也是有效的.

The research into the problem of the motion of the small ring along the rough parabola has certian significance in practical and teaching work.In this parper,a solution of power series for the problem has been obtained by means of spreading out power series.The concrete spreading method mentioned in this paper is available for similar problems.