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Technical discussion about Matlab and issues related to Digital Signal Processing.
Search Results for "random"
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... 
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... 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... =?utf-8?B?UmU6IFttYXRsYWJdIFJhbmRvbSBJbnRlZ2VyIEdlbmVyYXRvciAtIFNpbXVsaW5r?=
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
>
... 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... 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... 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... 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... 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 Integer Generator - Simulink
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... 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 ... 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... 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... PSD of Random Numbers using MATLAB [2 Articles]
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... 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... 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!!!
... 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... 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
... 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?
... Re: prewhitening a signal in matlab [3 Articles]
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... random sample generation from Hyper-Erlang distribution
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... 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... 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,
... 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
... 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
... 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 ... 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 ... 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... MEX functions and random numbers
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(... 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 ... 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
... 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 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... 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 ... 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 ... 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... 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??
... 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... how can i generate psuedo random numbers in matlab? [2 Articles]
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.
...