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共轭梯度法
共轭梯度法(Conjugate Gradient)是介于最速下降法与牛顿法之间的一个方法,它仅需利用一阶导数信息,但克服了最速下降法收敛慢的缺点,又避免了牛顿法需要存储和计算Hesse矩阵并求逆的缺点,共轭梯度法不仅是解决大型线性方程组最有用的方法之一,也是解大型非线性最优化最有效的算法之一。 在各种优化算法中,共轭梯度法是非常重要的一种。其优点是所需存储量小,具有步收敛性,稳定性高,而且不需要任何外来参数。(The Conjugate Gradient method is a method between the steepest descent method and the Newton method. It only needs to use the first derivative information, but overcomes the shortcoming of the steepest descent method and avoids the need for the Newton method to store. And the disadvantage of calculating the Hesse matrix and inverting, the conjugate gradient method is not only one of the most useful methods for solving large linear equations, but also one of the most effective algorithms for solving large-scale nonlinear optimization. Among various optimization algorithms, the conjugate gradient method is a very important one. The advantage is that the required amount of storage is small, step convergence, high stability, and no external parameters are required.)
- 2018-11-26 11:07:35下载
- 积分:1
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uniFiber
说明: 复合材料失效准则子程序,君莫老师视频讲解课程里用到的子程序(Subprogram of Failure Criterion for Composite Materials)
- 2021-04-11 10:58:58下载
- 积分:1
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SystemC_From the Ground Up 2nd
SYSTEM C from the ground up 2nd
- 2020-06-19 06:00:01下载
- 积分:1
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nndl-codes-master
说明: 神经网络与深度学习案列代码,神经网络与深度学习教程例题代码(Neural Network and Deep Learning Case Code, Neural Network and Deep Learning Course Case Code)
- 2019-04-17 11:37:01下载
- 积分:1
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rrdddwq
这是运用LabVIEW图形化编程语言开发虚拟数字滤波器的方法,对数字滤波器原理的分析。提出了利用虚拟仪器软件平台构建数字滤波器的设计思想,并在此基础上开发出了一套数字滤波器实例(This is the use of LabVIEW graphical programming language to develop a virtual digital filter methods, the principle of the digital filter analysis. Proposed the use of virtual instrument software platform for building a digital filter design, and on this basis to develop a set of examples of digital filter)
- 2009-04-10 00:52:59下载
- 积分:1
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1000
用VC编的一个计算器,有界面,适合研究生VC编程初期学习使用(VC series a calculator interface, suitable for graduate student VC program initially learning to use)
- 2012-03-05 22:51:45下载
- 积分:1
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EMDKfordotNET
EMDKfordotNET.chm说明书(EMDK for dot NET.chm)
- 2017-10-12 16:38:16下载
- 积分:1
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微软
大名鼎鼎的微软portrait 2005 for ppc
把扩展名改为.msi就可以运行了-Microsoft
- 2022-02-10 03:22:31下载
- 积分:1
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无线电能传输simulink仿真
说明: 关于无线电能传输串联补偿的matlab的仿真(On the wire power transmission series compensation matlab simulation)
- 2020-11-05 17:59:50下载
- 积分:1
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狄拉克半金属
说明: 狄拉克半金属的相对介电常数实部,用于CST仿真(Dirac semimetal real part of relative permittivity)
- 2020-12-22 12:49:12下载
- 积分:1