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mcorre2
一个用FTT法实现相关函数的快速估计程序(A correlation function with the FTT method to achieve the rapid estimation procedures)
- 2009-09-10 18:25:41下载
- 积分:1
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integral
说明: 积分公式(用锲比雪夫多项式构造积分点公式)(integral formula(using the Cheb. polynomial integral point) )
- 2010-04-02 23:46:17下载
- 积分:1
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121
1. 牛顿迭代法
function [x,i]=newtonmethod(x0,f,ep,Nmax)
牛顿法求非线性方程根
x0是输入初始值, f是输入函数, 精度要求ep, Nmax为最大迭代次数
x是输出迭代序列,i是迭代次数
2. 二分法
function [x,k]=bisection(a,b,f,ep)
二分法解非线性方程
输入区间[a,b],函数f和误差ep, Nmax为最大二分次数
x为输出近似根, k为二分次数
( Newton s law and the dichotomy)
- 2020-10-12 22:57:32下载
- 积分:1
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grid_adaptation_structure
CFD数值计算中关于求解激波问题的基于非结构网格的自适应网格方法相关代码(CFD numerical calculation of the shock problem based on the unstructured grid method of adaptive grid method)
- 2015-09-18 10:27:23下载
- 积分:1
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daoxian
导线网平差程序,参数约束,通过设定不同的PX达到经典自由网,普通自由网,拟稳平差效果,算例(Wire net adjustment procedures, parameters, constraints, and examples)
- 2012-04-13 10:36:43下载
- 积分:1
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BEMforacoustics
求解声学问题的边界元源程序,可以为使用边界元法求解位势问题和弹性力学问题提供启发(problem solving acoustic BEM source, for the use of the boundary element method and the potential problems of elasticity to provide inspiration)
- 2006-11-15 19:06:28下载
- 积分:1
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塑性模型,适用于混凝土高温本构
可以对高温状态下的混凝土材料进行准确的塑型模型构建(It can be used to construct accurate plastic model of concrete under high temperature)
- 2017-11-11 12:30:52下载
- 积分:1
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PHR_multiplier_method
《最优化理论与方法》书籍中的乘子法的源程序,该书中的很多案例都用此方法试验过,本代码是一个小案例,将目标函数和约束函数按自己的需求换掉就能进行所期望的运算(" Optimization Theory and Methods" books multiplier method of the source, the book' s many cases are tested using this method, the code is a small case, the objective function and constraints to replace it according to their needs can perform the desired operation)
- 2013-05-28 17:39:02下载
- 积分:1
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stochreal
随机子空间算法实现 matlab函数 分两步求取 来源于网络(Stochastic Subspace Realization Algorithm
Tohru Katayama, "Subspace Methods for System Identification", Springer)
- 2010-01-20 21:45:18下载
- 积分:1
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UMAT-JC
适用于ABAQUS的自定义材料子程序,适用于Johnson-Cook材料模型(Apply to custom material ABAQUS subroutine for Johnson-Cook material model)
- 2020-11-04 16:59:51下载
- 积分:1