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niudunfa
计算方法实验,通过编程实现埃特金加速法,一般迭代法,牛顿法的收敛次数的计算(calculated experiment, Programming Aitken acceleration method, the general iterative method, the convergence of Newton's method of calculating the number of)
- 2006-05-31 08:48:47下载
- 积分:1
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fitness
fitness,适应度函数,计算适应度函数,(fitness, fitness function, calculate the fitness function,)
- 2012-08-24 21:05:34下载
- 积分:1
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SQP序列二次规划算法小程序
说明: 用于求解数值算法最优化算法中的SQP算法(Solve SQP algorithm Numerical algorithm optimization algorithm)
- 2020-07-24 21:03:47下载
- 积分:1
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Bayesian-Estimates-
用R做贝叶斯估计,估计随机微分方程中的参数(Bayesian estimation made by R, the parameter estimates stochastic differential equation)
- 2013-11-13 09:57:55下载
- 积分:1
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Conjugate-Gradient-Method
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 (Conjugate Gradient) is between the steepest descent method between the method and Newton' s method, it takes only a first derivative information, but to overcome the steepest descent method convergence slow shortcomings, but also to avoid the Newton method needs to be stored Hesse and disadvantages of computing inverse matrix and the conjugate gradient method is not only one of the most useful methods to solve large linear equations, solution of large-scale nonlinear optimization is one of the most effective algorithm. In various optimization algorithm, conjugate gradient method is a very important one. The advantage is that a small amount of memory required, with step convergence, high stability, and does not require any external parameters.)
- 2017-03-14 15:48:15下载
- 积分:1
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1D-Euler
用于求解一维气体动力学的欧拉方程代码,采用戈东诺夫格式,显式推进,可仿真非定常激波管(For solving one-dimensional Euler equations of gas dynamics code, using Godunov format, explicit advance, can simulate unsteady shock tube)
- 2013-08-11 04:55:06下载
- 积分:1
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chebyshevnihe
说明: 数值分析中的chebyshev拟合程序,学习数值分析的同学可以参考参考(Numerical Analysis of chebyshev fit program, students study and numerical analysis can refer to reference)
- 2011-03-24 15:07:01下载
- 积分:1
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FreqzPhase
对信号进傅里叶变换,得到振幅谱和相位谱,并可画出振幅谱和相位谱。(The signal into the Fourier transform, the amplitude spectrum and phase spectrum and amplitude spectrum and phase draw spectrum.)
- 2009-01-04 21:10:40下载
- 积分:1
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FFT
FFT快速傅立叶变换,DSP实际例子,学习的一手好资料。放进CCS仿真(FFT Fast Fourier transform, DSP practical examples)
- 2016-06-18 15:18:53下载
- 积分:1
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visicity-model
代数涡粘模型用于计算近壁湍流的速度场,1D 4阶RK 积分(Algebraic eddy viscosity model is used to calculate the near-wall turbulence velocity field, 1D 4-order RK integration)
- 2014-03-02 11:10:41下载
- 积分:1