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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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abint_bchol_brinv
将一些标准数值与非数值算法集中封装在几个DLL中,需要用时可在VB/Delphi/C#中分别调用,这里提供了3个小程序,分别用于线性方程组求根、计算行列式的值、矩阵求逆。(Some standard numerical and non-numerical algorithm focus on packaging in several DLL, it is necessary to use when in VB/Delphi/C# Call, respectively, this provides three small programs, respectively, for the roots of linear equations, calculation of the value of the determinant, matrix inversion.)
- 2008-06-28 22:35:05下载
- 积分：1
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LinearBarElement
有限元中LinearBarElementStiffness的matlab(FEA LinearBarElementStiffness)
- 2013-10-11 20:26:21下载
- 积分：1
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matlab
己知一些离散的点，使用matlab利用最小二乘法拟合(Had a number of discrete points, with linear least squares fitting)
- 2013-10-14 15:05:47下载
- 积分：1
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PCFFWM1
光子晶体光纤计算中相对抽运频率和四波混频效率的关系，有MATLAB程序和图形。对研究光子晶体光纤有很大的帮助。(Calculation of photonic crystal fiber pumped in the relative frequency and four-wave mixing efficiency of the relationship between the procedures and have MATLAB graphics. The study of photonic crystal fiber has a great help.)
- 2008-02-12 12:24:57下载
- 积分：1
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LMF
说明： LMF方法解非线性方程组，有例子，可以直接运行！(LMF method to solve nonlinear equations, there are examples, can be directly run!)
- 2008-08-27 17:59:18下载
- 积分：1
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fft
有关FFT方面的内容，包括算法原理和程序应用（PDF）(The FFT aspects, including the principles and procedures of application of algorithm (PDF))
- 2011-10-29 15:27:35下载
- 积分：1
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spline
样条插值算法的matlab代码，包括一次样条插值，二次样条插值和三次样条插值，可根据需要选择(Spline interpolation algorithm matlab code, including a spline interpolation, quadratic spline interpolation and cubic spline interpolation, can be selected)
- 2020-12-23 20:49:06下载
- 积分：1
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Mesh2d_v24
三角形网格划分, 自由网格和结构网格划分，包括主要的matlab文件和函数，使用main.m 执行(mesh triangle grid using matlab, free mesh and structured mesh. The file include mfiles and functions. The program could be run through main.m)
- 2017-07-11 21:28:07下载
- 积分：1
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PSO
说明： 基于模拟退火的粒子群算法，模拟退火算法在搜索过程中具有该概率突跳的能力，能够有效地避免搜索过程陷入局部极小解。(Based on simulated annealing particle swarm optimization, simulated annealing algorithm in the search process has a sudden jump in the probability of the capacity, which can effectively avoid the search process into a local minimum solution.)
- 2010-03-17 21:51:53下载
- 积分：1
