1) modified Fletcher-Reeves conjugate gradient algorithm
修正Fletcher-Reeves共轭梯度算法
1.
When the condition was increased,for nonconvex functions,the article proved the global convergence of modified Fletcher-Reeves conjugate gradient algorithm of the nonmonotone line searches.
在适当的条件下,对一般非凸函数,证明了新给出的的非单调线性搜索下,修正Fletcher-Reeves共轭梯度算法的全局收敛性,数值结果表明了该算法的有效性。
2) Fletcher-Reeves conjugate gradient method
Fletcher-Reeves共轭梯度法
1.
Aiming at the problem,on base of analyzing model of improved BP neural network based on Fletcher-Reeves conjugate gradient method,combining with kinds of influence factors of gas content in coal seam,the paper established a predicting model of gas content based on improved three-layer BP neural network and did concrete network training and predicting simulation.
针对该问题,文章在分析了基于Fletcher-Reeves共轭梯度法的改进BP神经网络模型的基础上,结合煤层瓦斯含量的各种影响因素,建立了一个基于3层改进BP神经网络的瓦斯含量预测模型,并进行了具体的网络训练和预测仿真。
3) Fletcher-Reeves algorithm
Fletcher-Reeves算法
1.
Firstly, the method changes the ill-posed equation of image reconstruction into function minimization problem, and then solves the function effectively using Fletcher-Reeves algorithm (FR).
该方法首先将图像重建的病态问题转化为泛函极小化问题,然后采用Fletcher-Reeves算法(FR)有效地求解该泛函,并在求解的过程中引入物理意义上的约束使获得的解更符合实际情况。
4) modified preconditioned conjugate gradient
修正预优共轭梯度算法
1.
Based on the character of the complex structure of SF6 circuit breaker in three-phase-in-one-tank GIS,the modified preconditioned conjugate gradient(MPCG)algorithm applied to solve multi-nodes and multi-elements large sparse real positive defined symmetric matrix is analyzed and the program diagram of MPCG algorithm is also proposed.
针对实际的GIS三相共罐式SF6高压断路器模型结构复杂的特点,分析了适用于计算多节点、多单元的大型稀疏正定实对称矩阵求解的修正预优共轭梯度算法MPCG,给出MPCG算法的迭代流程。
5) modified DY conjugate gradient method
修正DY共轭梯度法
1.
A new nonmonotone modified DY conjugate gradient method
一类非单调修正DY共轭梯度法
6) Fletcher-Reeves method
Fletcher-Reeves方法
1.
As a special case, the global convergence property of the Fletcher-Reeves method with Goldstein line searches is derived.
作为一种特殊情形，得到了带Goldstein线搜索的Fletcher－Reeves方法的全局收敛性。
2.
Some properties of the Fletcher-Reeves method play an important role in the analysis.
Fletcher-Reeves方法的某些性质在收敛性分析中起着重要的作用。
补充资料：修正
修正
modification
修正【m回跪Ca肠佣;M叭班中皿叫”1，亦称调整，解析空间的 解析空间之间的解析映射f:X~Y，使得对较低维数的解析集5 CX以及TCY，以下条件成立:f:X\S~Y\T是同构， f(S)“T.修正也称为S到T的收缩(印n加ctjon).修正的例子之一是单项变换(心noida」红u仍fonlla山n). 亦见例外解析集(~ptional analytjcset)，例外子簇(excePtional sub珑州ety)·
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参考词条