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

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random rearrangement a vector   [3 Articles]
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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]
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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]
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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

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Amaren Prasanna das - Nov 23 2009
use "random number" block or "uniform random" nuber block in the "source library" of simulink. vary the param acccordingly On Fri, 13 Nov 2009 01:03:54 +0530 wrote > ... =?utf-8?B?UmU6IFttYXRsYWJdIFJhbmRvbSBJbnRlZ2VyIEdlbmVyYXRvciAtIFNpbXVsaW5r?=

Log likelihood ratio of a random vector
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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]
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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

Random
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Murairwa - Nov 28 2008
What is the matlab code for random selection of a starting point? ... Random

How I can get initial random states from gatool
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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
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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]
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- 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

Random Integer Generator - Simulink
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vd.a...@yahoo.co.in - Nov 12 2009
Hi, How do i generate random numbers between given limits in simulink. For ex: between 25 - 30. At every sample time one of the value between 25 to 30 should be given out. (coul... Random Integer Generator - Simulink

Re: Create Data Randomly
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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]
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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]
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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

PSD of Random Numbers using MATLAB   [2 Articles]
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Karthikeyan Kittappan - Nov 4 2008
Hi, I am an Mechanical student and i am trying to generate a random rough surface (with specified ACF and Std Deviation) using 2D FIR filter in Matlab. I come across a paper... PSD of Random Numbers using MATLAB

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

Re: prewhitening a signal in matlab   [3 Articles]
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Jeff Brower - Oct 7 2010
Maria-Daphne- > Hello Jeff, > > Thank you very much for your help. Below are some of my comments: > > > If you make the magnitude perfectly flat, then after inverse FFT... Re:  prewhitening a signal in matlab

random sample generation from Hyper-Erlang distribution
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tpkay2001 - Feb 4 2009
Dear All, my project requires me to generate random samples which follow a Hyper- Erlang distribution. How can i do this in Matlab? In my case, the Hyper-Erlang distribution... random sample generation from Hyper-Erlang distribution

How to generate random noise voltage?   [3 Articles]
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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
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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
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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]
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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]
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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
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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
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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

MEX functions and random numbers
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gkaf...@yahoo.gr - Oct 9 2008
Hello all, I want to write a MEX function to import a part of C code into MATLAB. This piece of code is a normally distributed random number generator. It is controlled by a seed(... MEX functions and random numbers

plotting a random variable in matlab   [2 Articles]
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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]
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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]
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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]
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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]
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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
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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]
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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]
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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
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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

how can i generate psuedo random numbers in matlab?   [2 Articles]
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ali_khodaie2002 - Aug 28 2009
hi there, how can i generate psuedo random numbers (by one or different) seed in matlab? that's very kind of you. ... how can i generate psuedo random numbers in matlab?
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