四阶阿当姆斯预测-校正公式 - 龙格库塔方法,四阶，求解一个方程，可控精度，实现很直观，扩展性强。-Adam Williams, the fourth-order prediction- correction formula- Runge-Kutta method of fourth order, to solve an equation, control accuracy, the implementation is straightforward, and strong expansion.