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用拉格朗日插值法依据N个已知数据点即使函数值
- 这是一个拉格朗日插值法的matlab程序,适合学习数值模拟的同学学习下载。-This is a Lagrangian of Matlab interpolation procedures, numerical simulation study for students learning to download.
MATLAB
- 把训练数据拷入,load的*.m文件中, 文件中部load的*.m为测试数据 save 存盘的文件为测试数据的bp预测值, 该程序可以扩充n个输入,n个输出,很容易-it is copyed into the training data, load the document *. m, Central to the paper load *. m to save Inventory test data for the paper test data bp predictive val
产生高斯白噪声
- 产生高斯白噪声,标准差和期望都固定,如N=f(0.1,2),这种形式的,随机产生40个,Generated white Gaussian noise, standard deviation and expectations are fixed, such as N = f (0.1,2), this form of randomly generated 40
DSSS.rar
- 一个四用户的扩频通信系统,扩频增益为N=16,采用Walsh码进行直接序列扩频,BPSK调制,无线信道为AWGN(加性高斯白噪声信道)信道(AWGN信道:不考虑通信信道信号时,由宽频范围描述的统计随机无线噪声。)。在接收端进行解扩,解调,判决,通过仿真得到其中一个用户的误比特率与信噪比的仿真结果。,A four-user spread spectrum communication system, spreading gain for N = 16, using Walsh code Direct
GM.rar
- GM Science GM模型 全称:灰色理论的微分方程型模型 灰色理论的微分方程型模型称为GM模型,G表示grey(灰),M表示Model(模型).GM(1,N)表示1阶的,N个变量的微分方程型模型.而GM(1,1)则是1阶的, 1个变量的微分方程型模型。,GM Science GM model name: the theory of differential equations gray gray theory-based model of the differential equation
runge
- 数值逼近对于Runge函数f(x)= ,在[-1,1]上作等距节点插值,分别取n=4,n=8,n=12,插值的图像-Numerical approximation for the Runge function f (x) =, in [-1,1] on equidistant nodes for interpolation, respectively n = 4, n = 8, n = 12, the image interpolation
seawater
- Matlab seawater工具包,可以通过海水的温盐等信息计算海水的密度、比容、位密、地转流速等重要参数。- SW_ADTG Adiabatic temperature gradient SW_ALPHA Thermal expansion coefficient (alpha) SW_AONB Calculate alpha/beta (a on b) SW_BETA Saline contract
convolutional_encode
- simulating a convolutional encoder allows the user to input a source code to be encoded and also input the values of the generator polynomials. It outputs the encoded data bits, where 1/n is the code rate
LBG
- Linde, Buzo, and Gray (LBG) proposed a VQ design algorithm based on a training sequence. The use of a training sequence bypasses the need for multi-dimensional integration. The LBG algorithm is of iterative type and in each iteration a large set of v
haltom
- a program which creates N elements of an M dimensional Halton sequence and write them to a file. -a program which creates N elements of an M dimensional Halton sequence and write them to a file.
n-q-phi
- 对局部放电信号的处理的程序,放电次数,相位,放电量的3维谱图。-Of partial discharge signal processing procedures, discharge frequency, phase, the discharge amount of 3-D spectrum.
GA
- 本程序是在MATLAB平台上,利用智能优化算法遗传算法来解决01背包问题。在0 / 1背包问题中,需对容量为c 的背包进行装载。从n 个物品中选取装入背包的物品,每件物品i 的重量为wi ,价值为pi 。对于可行的背包装载,背包中物品的总重量不能超过背包的容量,最佳装载是指所装入的物品价值最高。-This procedure is in the MATLAB platform using intelligent genetic algorithm optimization algorithm t
sa_tsp
- 旅行商(TSP)问题一直以来都是一个NP难问题,旅行商问题(TSP问题)就是一销售商从n个城市中的某一城市出发,不重复地走完其余n-1个城市并回到原出发点,在所有可能的路径中求出路径长度最短的一条。本次软件设计是利用模拟退火算法解决TSP问题,通过该软件设计,对模拟退火算法和旅行商问题有个初步的认识。-Traveling Salesman (TSP) problem has always been a NP hard problem, traveling salesman problem (TS
file
- 一个自编的读取文本文件数据的函数,可以读取整个文件,读取第N行,读取第M行到第N行,读取第M行到倒数第N行,读取第M次(也可以是最后一次、倒数第M次)出现字符串str的行开始(或结束)的数据,等等。希望能给大家带来帮助! -A self-read text file data function, you can read the entire document, read the first N lines, M reads the first line to the first N lin
MAPsegm
- A Spatially-Constrained Mixture Model for Image Segmentation, by K. Blekas, A. Likas, N. Galatsanos and I. Lagaris-A Spatially-Constrained Mixture Model for Image Segmentation, by K. Blekas, A. Likas, N. Galatsanos and I. Lagaris
DFT
- 1)编写DFT子函数(计算并画出幅频特性),以后可调用。 2)N=32,M=32,128,256时,分析频率分辨率、频谱的光滑程度。 3)N=64,256,512时,分析频率分辨率和频谱的光滑程度。 -1) the preparation of DFT Functions (calculated and drawn amplitude-frequency characteristics), the future can be called. 2) N = 32, M = 32,128
juanji
- 离散卷积计算 实验步骤: 主界面下进入实验五的“离散卷积计算”子实验, 输入有限长序列 x(n) 输入有限长序列 h(n) 鼠标单击确定按钮,以数值和图形两种方式显示卷积结果 -Discrete convolution calculation of the experimental steps: the main interface into the experiment five " convolution calculation of discrete&quo
test2
- MATLAB ,N-R迭代法,散斑应力强度因子(MATLAB, N-R iterative method, speckle stress intensity factor)
RS分析Matlab程序
- 首先将该程序命名为RSana.m保存,以供调用。 在matlab中导入所要分析的时间序列,保存为x。 然后在matlab命令行输入命令logRS=RSana(x,n,"Hurst")。其中x就是该时间序列,它本身就是向量数据;n为分析的时间周期,Hurst是分析方法。返回值logRS。 这里指对一个周期进行分析,返回返回值logRS是一个标量。如果要作log-log图,需要一个循环,分别对n=5:200进行计算logRS。(First, the program is n
N
- MATLAB读取GPS的导航文件,在IGS站下载,源码可以修改增加读取的数据并导入到写字板中(MATLAB reads the navigation files of GPS, downloads at IGS station. The source code can be modified, added read data and imported into the writing board.)