Technical discussion about Matlab and issues related to Digital Signal Processing.
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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... 
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... 
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... 
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... 
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... 
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... 
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... 
- 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... 
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 ... 
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... 
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... 
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... 
guozhanmit - Nov 30 2003
Anybody here has experience on writing code for logit models with
random coefficients? Thanks a lot!!!
... 
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... 
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
... 
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?
... 
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,
... 
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
... 
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
... 
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 ... 
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 ... 
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... 
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 ... 
zulfiquar zab - May 29 2008
Hi,
I want to generate orthogonal random matrix in matlab.
How can I do it?
Cheers
ZAB
... 
scguc - Dec 10 2005
how to make random binary bits with probability 0.5 for both zeros and
ones!?
... 
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... 
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 ... 
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 ... 
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... 
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??
... 
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... 
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... 
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... 
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 ... 
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... 
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... 
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!
... 
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... 
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... 
Jeff Winter - Mar 8 2004
Hi,
You need the rand function (for uniform distributed random variables as
produced in C standard libraries) or randn (for gaussian distributed random
variabl... 
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