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Technical discussion about Matlab and issues related to Digital Signal Processing.

Search Results for "random"

  

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random rearrangement a vector   [3 Articles]

Emre ARDALI - May 28 2007
Hi everybody; I want to learn about if it is possible rearrange a vector in MATLAB in a random manner. For example i have the vector=[1 3 5 8 7 0] and i want a new vector using th... random rearrangement a vector

Looking forward to ur suggestions 4 Matlab random generator   [4 Articles]

nishubhardwaj - Sep 7 2005
hello frnds, I have a doubt about selecting random no generating capacity of matlab. Can any one suggest me using random no generator in order to randomly select an... Looking forward to ur suggestions 4 Matlab random generator

zero mean random variables   [2 Articles]

mohan prasad - Mar 4 2003
Hi, Am trying to generate complex gaussian random variables using the randn function but when I calculated the mean of those random variables it is not giving z... zero mean random variables

Log likelihood ratio of a random vector

nammi sairamesh - Jan 15 2006
Hi, I am wondering, how to find the log likelihood ratio (LLR) random vector. My system was modeled as Y= AX+N, where Y = [y1 y2]T; X= [x1 x2]T; A is a square matrix , a... Log likelihood ratio of a random vector

fix random rumbers   [3 Articles]

Romain Govav - Mar 1 2005
Dear all, I am writing a program within which I am genereting random normal numbers. I would like to get the same random numbers from run to run. This helps... fix random rumbers

How I can get initial random states from gatool

Aylin Gunel - May 7 2008
Hi, I need to get initial random states from gatool. I know there is a check box to obtain the random states from previous run, but how can I can save these states for next ent... How I can get initial random states from gatool

Simulating a Random Signal

onth...@gmail.com - Dec 26 2006
Dear all, I am working on trying to simulate a random signal of a given frequency range (say between 0 and 5000 Hz) in MATLAB. I have used signal generator apparatus in which... Simulating a Random Signal

Random number   [3 Articles]

- Mar 17 2005
Hi All, I need generate random numbers in range like -2 to 2 ,-1.8 to 1.8 ,-1.6 to 1.6 and so on...I am doing this for N = 1024 .At present I use unifrnd in MAT... Random number

Re: Create Data Randomly

Sergio Dominguez - May 25 2004
El A las 12:12 del 24 de May de 2004, dijo: > Hi respected members, (snip) > So, I have identified the rand operator for my puspose, (snip) > > Kaan ... Re:  Create Data Randomly

How to generate Random Vectors given Covariance Matrix?   [2 Articles]

Yanjun Yan - Mar 30 2003
Hi, All: Do you know how should I generate the Random Vectors given the Covariance Matrix? Or in general, how should I realize the correlation between Rando... How to generate Random Vectors given Covariance Matrix?

random variable of desired pdf   [17 Articles]

nammi sairamesh - Oct 23 2004
Hi, I am modelling a wireless channel, I want to model the channel as mixture of two guassians which is suitable for my applications. i.e. f= a*f1+b*f2; wh... random variable of desired pdf

Seeds in random numbre generators...   [3 Articles]

Pramodh Narayanan - Sep 6 2002
Hi! I just need to generate random numbers that follow some distribution like poisson, exponential,normal,etc. For these distributions there are functions av... Seeds in random numbre generators...

random coefficient for logit models

guozhanmit - Nov 30 2003
Anybody here has experience on writing code for logit models with random coefficients? Thanks a lot!!! ... random coefficient for logit models

PRNG for dither

will...@sygnvs.com - Apr 30 2007
Hi, I am currently researching dithered quantization. Does anyone know of a commonly used pseudo-random number generator that is used to produce dither signals? The applicatio... PRNG for dither

Correlated Random Sequences   [3 Articles]

Shailesh Khanolkar - Mar 14 2006
Hi, How do i generate correlated random sequences using Matlab? A sample code would be very helpful. Shailesh V Khanolkar ... Correlated Random Sequences

Random numbers in MATLAB6   [5 Articles]

Bart Hautala - Nov 6 2002
Saw the past post about generating random numbers from -100 to 100 but what if I needed to generate them from like -20 to -10? or 4.5 to 5? ... Random numbers in MATLAB6

How to generate random noise voltage?   [3 Articles]

khoo_nelson - Oct 3 2008
Hello, I'm quite new in using Matlab.How to generate a 2000-point random noise voltage with a dc or mean value of 0 and an rms value of 10 V using a time step of 1 us. I try lik... How to generate random noise voltage?

real random numbers generation

Appalayagari Sreedhar - Jan 21 2003
Hi, I need to generate real random numbers between two numbers, like i need values between 0.5 and 0. i tried with rand command it is working well, ... real random numbers generation

Introduce correlation into wireless fading channel

cash...@gmail.com - Nov 7 2007
Hi experts I need to simulate wireless MIMO fading channel in both Gaussian and Rayleigh random variables. I have implemented the channel matrix H = h11 h12 h21 h22 ... Introduce correlation into wireless fading channel

normal random noise with zero mean, variance not equal to 1   [5 Articles]

mao mu - Apr 2 2004
Hi folks, How do I generate a random noise with zero mean, variance not equal to 1. randn() is for zero mean, variance=1 case. Thanks, Mu ... normal random noise with zero mean, variance not equal to 1

how can we select a random element of a matrix   [10 Articles]

cagi...@hotmail.com - May 30 2007
Hi all, How can we select random elements from a matrix. Let suppose, we have a 3x4 matrix, 2 4 6 3 6 8 4 2 2 5 6 7 we ... how can we select a random element of a matrix

Periodic Random bit with period N = 15

nguyenetung - Sep 29 2003
Hi everybody, I just start to study something about Matlab. My question is: If I have a periodic random bit with period N = 15 is given as x(k)= [0 0 0 1 0 0 1 ... Periodic Random bit with period N = 15

Generate a multi-level pseudo-random series

Yimin zhou - Jul 6 2007
Dear all, I am wrting my thesis now and I need to generate a mult-level pseudo-random series to compare my method. Is there anyone possible to send me the program that can gener... Generate a multi-level pseudo-random series

plotting a random variable in matlab   [2 Articles]

tpka...@hotmail.com - Jul 26 2007
Hi All :) i need to plot the probability density function(pdf) of Z, given that Z = X + Y. X is exponentially distributed with mean x1, Y is exponentially distributed with mean ... plotting a random variable in matlab

Orthogonal random matrix   [3 Articles]

zulfiquar zab - May 29 2008
Hi,     I want to generate orthogonal random matrix in matlab. How can I do it?   Cheers ZAB ... Orthogonal random matrix

how to make random binary bits!?   [5 Articles]

scguc - Dec 10 2005
how to make random binary bits with probability 0.5 for both zeros and ones!? ... how to make random binary bits!?

How to get random signal samples from a given PSD?   [2 Articles]

tony...@hotmail.com - Nov 16 2005
Hello everybody, first of all I would like to apologize if what I'm asking is terribly obvious or if what I'm saying is completely wrong. I'm quite new at discrete sign... How to get random signal samples from a given PSD?

Introduce Single Error Bit   [2 Articles]

tp_viju - Aug 22 2007
Hi, I got a program as below which generates random binary codes (Phase 1.1). After that have to add parity bit to the codes(1.2). The next step is to generate error to ... Introduce Single Error Bit

generate random vector with a given joint pdf

tahm...@yahoo.com - Feb 28 2006
Hi all I am trying to generate a random vector (3x1) with a given multivariate probability distribution function. The joint pdf is very similar to Poisson distribution, but it ... generate random vector with a given joint pdf

Pseudo-random sequence and pilots in OFDM   [4 Articles]

vcteo - Nov 22 2005
Hi, i'm doing a project on OFDM and currently i'm just playing around and exploring with the HiperLan/2 demo that comes together with Simulink. I noticed at OFDM transmis... Pseudo-random sequence and pilots in OFDM

Negative Random number generation   [3 Articles]

Ishtiaque Ahmed - Mar 2 2008
Hello, I need to generate random numbers, for example, in the range -20 to 20 or -150 to 150 or so for 1200 points. How can I do this using 'rand' function in matlab?? ... Negative Random number generation

Quantization and Stationarity

stevetaz35 - Jan 4 2002
hi everybody i would appreciate if someone could suggest any solution to the following problems: 1)Find the number of bits needed to achieve a signal-to-q... Quantization and Stationarity

PAPR calculation

Sabbir Ahmed - Feb 24 2006
Dear All, I would highly appreciate if you share your thoughts on the correctness of the method for calculating PAPR value of OFDM signal as described below. I am using NRZ ran... PAPR calculation

Initial Seed Problem

RIZWAN - Jul 7 2006
Hi I am working on a simulink model of bluetooth DM1 packet transmission. I have used a random generator for the input and also have used binary symmetric channel with a ce... Initial Seed Problem

Re: mfr models for image segmentation

Tarang Dadia - Mar 22 2005
Abdulkadir, Nope I do not have any code for markov random fields. I am forwarding this email to Matlab group may be someone from there mite be able to help ... Re: mfr models for image segmentation

generating random waveform with gussian pdf   [2 Articles]

altaanah2000 - Dec 19 2006
Good day all, Want to make a program that generate a random waveform with a Gaussian pdf of zero mean and 2 Volts rms. Using vector of length 2048 and let the voltage values i... generating random waveform with gussian pdf

saving a file   [3 Articles]

jplav32 - Jul 16 2004
Hi, I am actually using matlab to generate random data files and I'd like to know if there is any way to force matlab to save my files with a different name ea... saving a file

Generating random no.s with a certain cdf   [2 Articles]

Bavithi - Mar 15 2006
Hello All,     If there is a certain CDF(Cumulative Distribution Function) , how can I generate random numbers ( source ) with the same value of CDF ? Thank you!   ... Generating random no.s with a certain cdf

Re: Random numbers

siva prasad motamarri - Oct 4 2001
hi, u can use 'rand' function in Matlab which gives the uniform random in the range (0,1). if u want Random numbers in (-1,1) use 2*rand(1,20)-1 so for (-1... Re:  Random numbers

Non Uniform data interpolation   [3 Articles]

Anshu - Nov 3 2005
Hi I have a data vector x with uniform data points say [1 2 3 4 5] and another data vector x_random with random data points say [.9 2.3 3.6 3.8 5.9] The signal vector c... Non Uniform data interpolation
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