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fraction_lyapunov
计算分数阶微分方程lypunov指数，确定混沌系统的混沌状态。(Calculated fractional differential equations lypunov index to determine the chaotic state of the chaotic system.)
- 2012-09-16 10:48:32下载
- 积分：1
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search
这是一个数组练习，程序的作用是查询一个一维数组（数值型数组）中每一个元素出现的次数，且元素出现的顺序不能改变(This is an array of exercises, the program' s role is to query a one-dimensional array (numeric array) in the number of occurrences of each element, and the element can not be changed in order of appearance)
- 2013-07-26 09:37:09下载
- 积分：1
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1dfdtd
说明： 研究FDTD模拟一维光子晶体中的光波传输，并利用此方法计算了电磁波在一维光子晶体中的电场和磁场的空间分布以及一维光子晶体的透射谱。(FDTD simulation study of one-dimensional photonic crystal of light transmission, and use this method to calculate the electromagnetic wave in one-dimensional photonic crystal in the electric and magnetic fields, as well as the spatial distribution of one-dimensional photonic crystal transmission spectrum.)
- 2008-11-23 01:11:01下载
- 积分：1
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ABAQUS-UMAT
ABAQUS中各种不同本构的内聚力单元fortran用户子程序(ABAQUS in a variety of constitutive cohesive unit fortran user subroutines)
- 2021-01-07 11:38:53下载
- 积分：1
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shanchen
多孔介质流动程序，基于Shan-Chen模型，使用格子玻尔兹曼理论(Multi-component fluid, using a LB method,based on the Shan-Chen model)
- 2020-09-24 09:07:48下载
- 积分：1
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CurveFitCOMDemo
曲线拟合程序，matlab编写成com控件非常好用，适用于初学者(Curve fitting procedures, matlab developed into a very useful com controls for beginners)
- 2008-04-16 21:08:26下载
- 积分：1
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SolidSAP
说明： berkeley加州大学SAP系列软件之SolidSAP，由Edward L.Wilson教授开发的三维结构源程序，功能强大，代码清晰，含学习手册。(SolidSAP, a three-dimensional structure source program developed by Professor Edward L. Wilson, is a software of the SAP series at the University of California, Berkeley. It has powerful functions, clear code and learning manual.)
- 2020-06-16 05:40:02下载
- 积分：1
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youhua
fortran最优化计算方法常用程序汇编
包括一维最优化部分、无约束优化部分、约束优化部分
0.618法，分数法、二次插值法、三次插值法
共轭梯度法、DFP变尺法（导数）、DFP变尺法（差分）、阻尼最小二乘法、鲍威尔法、模式搜索法、单纯形法
混合罚函数法（SUMT调用DFP）、混合罚函数法（SUMT调用鲍威尔法）、综合约束函数双下降法、可变容差法、复合形法、网格法、随机试验法、解线性规划的单纯形法(fortran optimization calculation method used to assemble
Including one-dimensional optimization section, part of unconstrained optimization, constrained optimization part
0.618, fractional method, quadratic interpolation, cubic interpolation
Conjugate gradient method, DFP becomes ruler Act (derivative), DFP variable scale method (differential), damped least squares method, Powell method, pattern search method, the simplex method
Mixed penalty function method (SUMT call DFP), mixed penalty function method (SUMT call Powell Law), integrated dual descent constraint functions, variable tolerance method, the complex method, grid method, random test, solving linear programming simplex Method)
- 2014-05-21 10:33:13下载
- 积分：1
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Roe1
计算流体力学经典程序Roe格式，每步有说明，适合初学者(Computational Fluid Dynamics classical procedures Roe scheme, each step is described, suitable for beginners)
- 2020-08-18 10:28:21下载
- 积分：1
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ykb
实对称矩阵特征值与特征向量的雅克比法，ap为是对称矩阵，vp返回特征向量(Real Symmetric Matrix Eigenvalues and Eigenvectors of the Jacobian method, ap is a symmetric matrix, vp return eigenvector)
- 2020-08-03 17:18:34下载
- 积分：1
