1)  BFGS method
变尺度法(BFGS)
2)  Variable scale cutting
变尺剪切
1.
The variable scale cutting control system based on PLC;
基于PLC的变尺剪切控制系统
2.
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。
3)  variable metric method
变尺度法
1.
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。
2.
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。
3.
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。
4)  DFP
变尺度法
1.
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。
5)  Variable scale method
变尺度法
1.
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。
2.
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。
6)  variable metric algorithm
变尺度法
参考词条
补充资料:变尺度法
分子式:
CAS号:

性质:变尺度法是在解无约束极值问题的梯度法基础上发展起来的,它利用递推的方法计算目标函数的二阶导数及其逆阵,减少了计算量,同时比梯度法收敛快,是目前解决无约束极值问题的最有效的算法之一。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。