四阶经典RK算法和四阶Adams预测-校正算法是求解微分方程时经常用的方法，本文进行了比较，提供了算例和程序-Classical RK method of fourth order and fourth-order Adams predictor- corrector algorithm is often used to solve the differential equation method, this article compares and provides examples and

给定一个基因树，物种树和列表所需的同源基因对，找到一个基因树尽可能满足这些约束条件的解，用QT开发的-Given a gene tree and a list of required tree species homologous genes, finding a gene tree solutions possible to meet these constraints, with the QT development