龙格-库塔(Runge-Kutta)方法是一种在工程上应用广泛的高精度单步算法。由于此算法精度高，采取措施对误差进行抑制，所以其实现原理也较复杂。该算法是构建在数学支持的基础之上的。-Runge- Kutta (Runge-Kutta) method is widely used in engineering high-precision single-step algorithm. Because this algorithm is high precision, to take measur