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HHZY
本程序针对内弹道的计算实现火炮内弹道计算(The procedure for the calculation of the interior ballistics Gun Interior Ballistic calculation)
- 2021-04-18 07:08:52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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thermal-damage-abaqus-umat
thermal damage abaqus-umat subroutine
- 2020-10-26 22:29:59下载
- 积分：1
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Count
说明： 输入任意数学四则运算表达式可以得出结果,很方便很实用的一个程序的源代码。(you can get the answer.)
- 2010-04-23 19:51:08下载
- 积分：1
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juzhenhanshu
传输矩阵法用于计算光纤光栅的有效折射率，是一种经典的数学算法(Matrix function)
- 2013-09-23 13:48:14下载
- 积分：1
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elasticity-plane-problem
弹性力学平面问题有限元fortran源程序，包括平面梁，刚架，内含输入文件及exe文件
(Finite element elastic plane fortran source code, including flat beam, frame, containing the input file and the exe file)
- 2011-01-25 14:59:38下载
- 积分：1
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object-oriented
面向对象的有限元程序设计。与传统的有限元程序相比，面向对象有限元程序更易于编写、更易于维护和扩充，程序代码的可重用成分更大。(object oriented finite element programming)
- 2014-10-31 15:53:47下载
- 积分：1
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计算波导中四波混频效率FWMTPAFCA
计算波导中四波混频效率，考虑线性损耗、自由载流子吸收损耗、双光子吸收损耗(FWM efficiency in silicon waveguide)
- 2021-05-08 23:18:35下载
- 积分：1
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Stochastic-Process
随机过程基础课程，包含泊松过程、马尔可夫链、鞅等经典方法，清晰详细，有案例讲解(Stochastic Processes basic courses, including Poisson process, Markov chain, martingale and other classical methods, clear and detailed, there is case to explain)
- 2015-12-07 18:10:25下载
- 积分：1
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GaussFitting
高斯拟合程序，采用高斯函数拟合数据，获得拟合高斯函数的平均值和方差。(Gaussian fitting procedure, using Gaussian function fitting the data, fitting Gaussian function to obtain the mean and variance.)
- 2011-10-17 19:44:18下载
- 积分：1
