1) homotopy method
同伦法
1.
An Application of Homotopy Method to Solving Primal-Dual Linear Programming Problems;
应用同伦法求解原有-对偶线性规划问题
2.
One type is the system of nonlinear polynomial equations, and a numerical approach using the homotopy method is presented to work out all the complex or real solutions to the polynomial systems without initial value selection.
对于非线性多项式方程组,给出了应用同伦法无需选取初值求其全部复数解或实数解的数值算法。
3.
In this paper,the method is suggested to determine multiple solutions of mechanical optimization problem by real number homotopy method.
提出用实数同伦法[1]确定机械优化问题的多个解的方法。
2) homotopy algorithm
同伦算法
1.
This paper introduces the homotopy algorithm into back-propagation neural network and indicates that the convergence speed can be improved and the defects of converging to local extremum can be eliminated.
同伦算法是解决非线性优化问题的新理论,将同伦算法引入误差反向传播神经网络,提高了网络的训练速度,消除了常规BP网络算法收敛于局部极值的缺点。
2.
The homotopy algorithm,basing on homotopy mapping,is convergent with wide range.
基于同伦映射的同伦算法 ,具有大范围收敛性。
3.
This paper introduces an optimization method of the selective harmonic elimination(SHE) technology based on the homotopy algorithm applied to neutral-point-clamped(NPC) three-level inverters.
文章以中点钳位型三电平逆变器为模型,在介绍SHE-PWM原理的基础上,采用同伦算法对非线性方程组求解,求取SHE-PWM的开关角度,进行NPC逆变器消谐模型的求解,具有收敛范围宽、收敛速度快等优点;用MatLab/Simulink仿真研究了谐波消除的效果,并用IGBT搭建了三电平逆变器实验电路模型,对SHE-PWM的谐波消除效果进行了验证;实验结果证明了基于同伦模型的NPC三电平逆变器SHE-PWM方法的有效性。
3) homology continuation algorithm
同伦算法
1.
Study on the new homology continuation algorithm and its application in motor;
新型同伦算法及其在电机中的应用
2.
The homology continuation algorithm has resolved this difficult problem without given initial value and can find all solution,but a special programming is compiled at the same time.
通过构造新型同伦函数并结合Maple高级程序设计语言的通用工具箱,提出了同伦算法的原理与实现方法。
4) homotopy method
同伦算法
1.
The algorithm related to homotopy method provides a systematic approach for deriving optimal solution of relative minimum.
根据同伦算法证明了极大熵函数的最优解序列逼近于非线性lp问题的最优解,并提出了解决计算过程中易于溢出的方法。
2.
A time stepping scheme is used for the transient analysis and a homotopy method is adopted to solve the process.
时域上采用精细算法进行离散,并应用同伦算法进行求解。
3.
A constructive proof of a class of nonconvex Brouwer fixed point problems is pre-sented, and the theoretical base of homotopy method to the problem has been created.
一类非凸Brouwer不动点问题的同伦算法于波,林正华(吉林大学数学研究所,长春130023)关键词不动点定理,构造性证明,同伦算法在70年代,文[1,2]就提出了求R ̄n中有界闭凸集上连续可微自映射的不动点的同伦算法,这是非线性问题数值解法的突破性。
5) homotopy method
同伦方法
1.
Backcalculation of modulus for pavements based on homotopy method;
基于同伦方法的路面模量反算研究
2.
Homotopy method for multi-objective programming problems;
多目标规划问题的同伦方法
3.
A regularization homotopy method for solving nonlinear ill-posed problems;
求解非线性不适定问题的正则化同伦方法
6) homotopy methods
同伦算法
1.
Based on homotopy methods,a robust global convergence method was developed for solving nonlinear inverse problems.
基于同伦算法构造出求解非线性反问题的一种大范围收敛鲁棒算法,为改善求解的稳定性,提出了将同伦参数的选取与计算和观测结果之间的残差联系起来的方法,给出具体算法步骤。
补充资料:同伦拓展法
分子式:
CAS号:
性质:又称同伦延拓法。求解非线性代数方程组的方法。其特点是将原问题转化为求同伦方程组的解的问题。同伦方程组一般是由原方程组嵌入参数得到的。该法可扩大收敛域,有利于选择初值。
CAS号:
性质:又称同伦延拓法。求解非线性代数方程组的方法。其特点是将原问题转化为求同伦方程组的解的问题。同伦方程组一般是由原方程组嵌入参数得到的。该法可扩大收敛域,有利于选择初值。
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