3, g = 1, h = -25..25;</syntaxhighlight>初始条件：<syntaxhighlight>initv := x(0) = 1, y(0) = 1, z(0) = 14;</syntaxhighlight>利用Maple中（Runge–Kutta–Fehlberg法，简称 RKF45）可得数字解并做图。
延时正弦函数.formula_6参数：<syntaxhighlight>params := a = 35, c = 28, b = 3,