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Biot-Savat
根据物理学的毕奥-萨法尔定理，计算环形线圈周围电磁场的强度。。(According to physics, Biot- Safar theorem, calculate the intensity of electromagnetic field around the circular coil. .)
- 2010-10-01 19:00:18下载
- 积分：1
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EEHMT0
根据给定的等距结点上的函数值与一阶导数值, 用埃尔米特等距插值公式计算指定插值点处的函数值。(According to the given equidistant nodes function value with a first derivative values, with equidistant interpolation Hermite interpolation formula specified function value at the point.)
- 2013-08-26 15:12:11下载
- 积分：1
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cg
说明： 无约束优化中的共轭梯度算法程序，解压缩后就可以用了(Unconstrained optimization of the conjugate gradient algorithm procedure can be extracted after the)
- 2008-12-24 10:47:54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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user
基于abaqus umat的修正的M-C子程序，《ABAQUS在隧道与地下工程中的应用》-陈卫忠，版权归作者所有(Based on the modified MC abaqus umat subroutine, " ABAQUS in the tunnel and underground engineering" - Chen Weizhong, copyright of all)
- 2020-10-26 23:00:00下载
- 积分：1
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read_nc
用fortran语言读取NC格式的数据,与大家分享，希望能够共同进步哈，谢谢(Used fortran language to read NC data format to share with you, hoping to make progress together Ha, thank you)
- 2013-07-14 20:05:05下载
- 积分：1
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zanwen
用于进行电力系统的暂态稳定计算的基本算法和程序仿真(Basic algorithm and program simulation for transient stability calculation of power system)
- 2020-10-18 21:17:26下载
- 积分：1
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matlab-solve-the-parabolic-equations
matlab求解抛物方程源程序，包括真值、近似值与误差，最大误差随网格数变化(matlab solve the parabolic equations)
- 2012-11-27 12:04:01下载
- 积分：1
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WashTransformation
计算给定序列的沃什(Walsh)变换序列。(Calculation of a given sequence of Vas (Walsh) transform sequence.)
- 2008-05-19 15:38:24下载
- 积分：1
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elliptic-bearing-rotor-systems
一篇小论文，转子动力学方面多耦合结构研究，是一篇值得研究的论文，题目为椭圆轴承-转子系统的稳定性与分岔。(A small paper, the dynamics of multi-rotor coupling structure, is a worthy research paper, entitled elliptical bearing- Rotor System Stability and bifurcation.)
- 2011-09-30 09:05:21下载
- 积分：1
