variable metric algorithm是什么意思

用法例句

The variable metric method is an effective and famous method,and can be easily computed.

变尺度[算]法是求解无约束优化问题的有效而著名的算法,算法易于实现,计算量较小,并形成了完整的算法体系,对工程应用有重要的影响。

To improve constringent speed of wavelet neural network,a improved weighted algorithm,which combines the method of negative gradient descent with DFP variable scale algorithm,is presented in the paper.

为了提高小波神经网络的收敛速度,文章提出了将负梯度下降法与DFP变尺度[算]法相结合进行权值修正的方法,在误差寻优初期采用梯度下降法迭代,当寻优过程开始接近最优时,更改寻优算法,使用DFP变尺度[算]法。

This papre presents a new proof method for Dixon theorem in Huang variable metric method that has profound effect for unconstrained minimization problem.

本文对无约束非线性规划的Huang族变尺度[算]法中具有重要影响的Dixon定理,给出了新的证明。

The variable scale cutting control system based on PLC;

基于PLC的变尺剪切控制系统

The application of the series of FX2N PLC in the numerical control cutting line was proposed in this paper,and by using frequency conversion 、sensor、and the series of MR-J2 servo motor it realizes the high precision variable scale cutting of silicon steel and puts emphasis on the organization process of F940GOT.

本文介绍了三菱FX2N系列PLC在矽钢片切割生产线中的应用,并通过触摸屏F940GOT、变频器、传感器、伺服放大器及伺服电机实现了矽钢片的数控高精度变尺剪切,重点讨论了触摸屏的组态过程。

Aiming at six parameters(κ,γ,δ,μ,η and C_0) of the dynamic vibration absorber in deep sea,the optimal design of parameters was processed with Broyden-Flether-Goldfarb-Shanno(BFGS) method of variable metric method,penalty function method and the line-search method.

针对海洋环境下动力吸振器的6个参数(κ,γ,δ,μ,η和C0),综合运用变尺度法中的Broyden-Flether-Goldfarb-Shanno(BFGS)法、罚函数法、一维搜索法进行最优化设计,利用Matlab和Visual C++混合编程实现计算。

In this paper, we combine the extended projection type method given in 1 and uncontrained variable metric methodaand and give a new algorithm with n+m +1 parameters to solve linearly constrained nonlinear programming problems.

将文〔１〕中拓广的梯度投影法与无约束变尺度法结合，给出了含有ｎ＋ｍ＋１个参数且适用于求解带线性约束的非线性规划问题的算法，证明了算法的可行下降性及终止条件，研究了参数取特殊的值时所得算法的子族。

This paper prestents a class of reduced variable metric algorithm for programming problems with standard linear constraints with the help of reduced gradient and Huang s variable metric methods.

本文将既约梯度法与Ｈｕａｎｇ族变尺度法相结合，给出标准型线性约束规划问题的一类既约变尺度法。

According to the problem of artillery control system and simulated annealing algorithm,a new improved simulated annealing algorithm,a simulated annealing algorithm based DFP is designed,and it is applied to PID control of artillery control system.

针对现有火炮控制系统与模拟退火算法优化存在的问题,提出了一种改进的模拟退火算法用于火炮控制系统PID参数寻优的方案,即基于变尺度法的模拟退火算法。

Adaptive method and variable scale method are introduced in this paper.

介绍了变尺度法和适应法，并把这两种优化算法借助Ｃ语言开发的程序用于光学优化设计中，设计了两种典型的光学系统。

Variable scale method,a sort of optimal method,is used in design of optical system,meanwhile,the technique of using the ‘escape function’ for variable scale method in design is describle.

把变尺度法用于光学优化设计中，同时使用了“逃逸函数”技术，从而实现了光学系统设计的全局优化。