| 一类求解方程全部根的改进差分进化算法 |
| |
| 引用本文： | 宁桂英,周永权.一类求解方程全部根的改进差分进化算法[J].计算机工程与设计,2008,29(12). |
| |
| 作者姓名： | 宁桂英 周永权 |
| |
| 作者单位： | 广西民族大学,数学与计算机科学学院,广西,南宁,530006 |
| |
| 基金项目： | 国家自然科学基金
,
广西自然科学基金
,
广西民族大学研究生教育创新计划基金 |
| |
| 摘 要： | 求解高次实复系数代数方程的根,提出了一种改进的差分进化算法,计算种群中每个个体的适应度并排序,利用二分之一规则选取个体,并引入自适应差分变异算子和进化策略重组算子.对5个高次代数方程求根问题进行了数值计算,结果表明,该算法能求解任意次数的实复系数代数方程的全部根,而且求解精度高,收敛速度快,是求解代数方程根的一种有效算法.
|
| 关 键 词： | 适应度 二分之一规则 代数方程 差分进化 进化策略 |
Improved differential evolution algorithm for finding all roots of equations |
| |
| NING Gui-ying,ZHOU Yong-quan.Improved differential evolution algorithm for finding all roots of equations[J].Computer Engineering and Design,2008,29(12). |
| |
| Authors: | NING Gui-ying ZHOU Yong-quan |
| |
| Affiliation: | NING Gui-ying,ZHOU Yong-quan(College of Math , Computer Science,Guangxi University for Nationalities,Nanning 530006,China) |
| |
| Abstract: | Solving the high order algebra equation with real or complex coefficients.A modified differential evolution algorithm is put forward;compute the fitness of each individual,the new individuals are chosen by the first-two rule,and self-adaptive mutation of dif-ferential evolution and reorganization of evolution strategies are introduced.Five high order algebra equations are tested,the results show that the algorithm can find all roots of real or complex coefficients algebra equation with any order.It is a suc... |
| |
| Keywords: | fitness first-two rule algebra equation differential evolution evolution strategies |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
