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共轭梯度法
说明: 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。(Conjugate gradient method Gradient) is a method between the steepest descent method and Newton's method. It only uses the first derivative information, but overcomes the disadvantage of slow convergence of steepest descent method, and avoids the disadvantage of storing and calculating Hesse matrix and solving inverse of Newton's method. Conjugate gradient method is not only one of the most useful methods to solve large-scale linear equations, but also the most effective method to solve large-scale nonlinear optimization One of the algorithms of. Among all kinds of optimization algorithms, conjugate gradient method is very important. It has the advantages of small storage, step convergence, high stability and no external parameters.)
- 2020-06-27 15:46:08下载
- 积分:1
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fft
说明: 虽然现在网上的FFT程序很多,但是有的结果是错误的,比如说,经过一次正反变换后,不能得到原来的数列,所以,本人测试了多个程序,提供几个能用的,给大家,希望大家支持!
(Although many online FFT program, but some results are wrong, for example, through a positive and negative change, you can not get the original series, so I tested several programs to provide a few usable for everyone I hope we can support!)
- 2010-04-14 17:54:30下载
- 积分:1
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mat_disperse
这是一个matlab程序,包括了面波频散计算,及最小二乘反演的导数计算内容。(This is a matlab procedures, including a surface wave dispersion calculation, and calculation of the derivative of least squares inversion content.)
- 2020-11-18 14:39:39下载
- 积分:1
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mie
该函数程序用于计算大气米散射中吸收、散射、衰减、后向散射。(Computation of Mie Efficiencies extinction (qext), scattering (qsca), absorption (qabs), backscattering (qb), asymmetry parameter (asy=<costeta>) and (qratio=qb/qsca).)
- 2013-06-09 10:57:31下载
- 积分:1
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nijie
六轴工业机器人的逆运动学,采用VC++进行编程自动求解(inverse of 6-dof industrial robot)
- 2020-12-25 12:19:04下载
- 积分:1
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B_ADI
说明: ADI method for solving PDE equations
- 2019-01-02 15:37:35下载
- 积分:1
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Scientific-Calculator
用编译的科学计算器,代码详细,清楚。设计简单。(Scientific Calculator with compiled code in detail, clearly.)
- 2013-05-16 15:07:58下载
- 积分:1
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kaobou_v14
音频信号通过LM386放大,计算两个矩阵之间的欧氏距离,电力系统暂态稳定程序,可以进行暂态稳定计算。( LM386 audio signal amplification, Calculation of the Euclidean distance between the two matrices, Power System Transient Stability Program, can be transient stability.)
- 2016-11-24 21:50:36下载
- 积分:1
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关于轴承刚度方程的MATLAB程序
说明: 这个程序是关于轴承刚度方程的MATLAB程序(This program is about the bearing stiffness equation MATLAB program)
- 2021-04-13 15:38:56下载
- 积分:1
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matinv
说明: 矩阵求逆,使用fortran语言编写,希望能对有需要的朋友有所帮助(Matrix inversion, written in FORTRAN language, hoping to help friends in need)
- 2020-12-11 17:49:18下载
- 积分:1