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Question
hi, I have a cell array consisting binary values and empty cells like below:
[0] [] [0 0 1 ] [] [0] [] [0 1 0 ] [ 0 0 1] [0] ...
7 years ago | 1 answer | 0
1
answerQuestion
hi, I want to find he index value of non-zero vectors in a cell array. How do I do that ? TIA
for example E= 4×4 cell array [0] [1×3 double] [1×3 double] [] [0] [] [1×3 doub...
7 years ago | 1 answer | 0
1
answerQuestion
Hi, I have a matrix ,say A=[1 0 0;0 1 0; 1 0 0] ; I Want to change the value of the first column where I have '1' with 01 & 10 respectively. Is it possible? TIA
A=[1 0 0;0 1 0; 1 0 0] ; I Want to change the value of the first column where I have '1' with 01 & 10 respectively. Is it po...
7 years ago | 1 answer | 0
1
answerQuestion
hi,I wanted to know, how can i generate a 3 bit sequential binary vector with up to only ONE 1?
Eg: 001, 010,100
7 years ago | 1 answer | 0
1
answerQuestion
hi,is there anyone who could say in detail how to use kevin murphy's toolbox to implement tep for LDPC codes?
I am trying to apply the TEP (Tree Structure Expected Propagation ) for the decoding pf LDPC codes.IS there anyone who could say...
8 years ago | 0 answers | 0
0
answersQuestion
hi,is there anyone who could help me to implement the TEP for decoding of LDPC codes?
I am trying to implement the tree expectation propagation for LDPC decoders.IS there anyone who could give a hint?
8 years ago | 0 answers | 0
0
answersQuestion
hi,I am trying to generate a parity check matrix for binary LDPC code? With the given distribution,is it possible?
I am trying to increase the length of a parity check matrix.Is there anyone who has any idea on how to do that?
8 years ago | 0 answers | 0
0
answersQuestion
hi,I am trying to generate a vector with zeros and then replacing 20%,30%,40% of the bits with 40.IS it possible?
the code vector is v=[0 0 0 0 0 0 0 0 0 0 0 0]; I am trying to generate v=[0 0 40 0 0 0 40 0 0 0 0...
8 years ago | 1 answer | 0
1
answerQuestion
hi,I wanted to know,if it is possible to plot some data in the same graph from two different M files?
I want to plot figures in the same graph from two different M-files? Is it possible?
8 years ago | 1 answer | 0
1
answerQuestion
hello,I am trying to save a data string and use it later in the program.IS it possible? Any kind of hint would be appreciated. Thaks in advance
For example,I have a data v=[1 0 0 0]; I want to save it. And then,if v(i)==0,it changes to a number other than 0/1 and becomes ...
8 years ago | 1 answer | 0
1
answerQuestion
hi,,,I am trying to generate a 12 bit data string whose 30% bit will be erased.How can I do that?
The data string is A=[ 1 0 0 0 0 0 0 1 1 0 1 0]; I am trying to generate a binary erasure channel.I am replacing the erased b...
8 years ago | 1 answer | 0
1
answerQuestion
hi,I have a 6 bit data A=[1 0 0 1 0 1]; I will have to generate a bit string where .25% of the previous will be erased and replaced by a odd number more than 5.how do i do that?
I have a 6 bit data A=[1 0 0 1 0 1]; I will have to generate a bit string where .25% of the previous will be erased and replaced...
8 years ago | 0 answers | 0
0
answersQuestion
hi,,is there anyone who could help me to implement the belief propagation of LDPC code in binary erasure channel?
i am trying to implement the LDPC decoder in binary erasure.IS there anyone who could help me regarding that? Thanks in Advance...
8 years ago | 0 answers | 0
0
answersQuestion
Hi,is there anyone who could help me to generate a matrix from the degree distribution?
hi,I am trying to generate a H matrix with the given degree distribution.Is there anyone who could help me to generate the matri...
8 years ago | 0 answers | 0
0
answersQuestion
hi..I am trying to solve a problem.Any kind of help would be appreciated. I am explaining below
%%% V=[1 0 3 0 1 0 3]; %% 3=noise Every time a % for loop executes V recovers some bit and and do the same operatio...
8 years ago | 0 answers | 0
0
answersQuestion
Hi,,is there anyone who could tell me how do I use a loop control statement in matlab? or how do I use iterative loops in matlab?
how do I execute and control a statement for several time? In C++,flag=true/false,could be used.How do I do that in Matlab?
8 years ago | 1 answer | 0
1
answerQuestion
Hi,,is there anyone who could help in implementing the DECODER of LDPC code?
I am trying to implement the LDPC decoder in binary erasure channel.Is there anyone who could suggest anything?Any kind of sugge...
8 years ago | 1 answer | 0
1
answerQuestion
Hi,,how do I execute the do loop in matlab.I am explaining the problem below.
I have a command.I want to execute it until the condition becomes false.How do I do that? noise=(rand(1,length(H))<.3)*3 ; ...
8 years ago | 1 answer | 0
1
answerQuestion
Hi,,I am trying to generate a shift register in matlab .IS it possible?I am explaining the problem below.Thanks in Advance
I am trying to generate the matrix below: A=[1 1 0 0; 0 1 1 0;0 0 1 1;1 0 0 1]; Which means the sift will go on for "number o...
8 years ago | 1 answer | 0
1
answerQuestion
Hi,Is there anyone who could give an idea how to create a permutation vector?
Like,every time the loop constructs,the vector would change. For example V1=[1 2 3 5 4]; V2=[2 3 1 5 4] and go on?
8 years ago | 1 answer | 0
1
answerQuestion
Hi...I am trying to create a mirror image for a matrix.IS it possible?
For, example-I have a matrix A=[1 0 0 ;1 1 0; 0 1 1].SO Can it be made like this M=[0 0 1; 0 1 1; 1 1 0]??Thanks in Advance
8 years ago | 1 answer | 0
1
answerQuestion
Hi,,is there anyone who could suggest any way of calculating the weight of a matrix row-wise?
Example,,say I have a matrix A=[1 0 0 1; 0 1 0 1; 1 1 1 1; 1 1 0 1] how do I calculate that how many ro...
8 years ago | 2 answers | 0
2
answersQuestion
Hi,,I am trying to calculate the weight of a matrix.how can i do that> I am explaining below
Suppose I have a matrix... A = [1 0 0 0 ; 1 1 0 0 ; 1 1 1 0 ; 1 1 1 1] how do I calculate that h...
8 years ago | 1 answer | 0
1
answerQuestion
hi,,I am trying to generate such matrix? is there any way to do that?
say, a=[1 0 1 0 1 0]; B=[22 0 0 22 22 0]; I am trying to generate something as C=[1 22 1 22 1 0]
8 years ago | 0 answers | 0
0
answersQuestion
hi,,is there any way,I can generate a vector with 10 bit with only zero and 25?
the vector should be like this, A=[0 0 25 25 25 0 0 25 0]...or anything that has only zero and 25.number of 25 is not important....
8 years ago | 1 answer | 0
1
answerQuestion
Hi,,is there anyone who could tell me,how to generate a 10 bit binary data with only ONE in the first position and rest is zero?
The data stream should be like this, A=[1 0 0 0 0 0 0 0 0 0]
8 years ago | 2 answers | 0
2
answersQuestion
Hi,,is there any command which will show the time that MATLAB has used to execute the whole program? TIA
how do I find the time required to get the program done?
8 years ago | 1 answer | 0
1
answerQuestion
hi,,lets say I have a matrix,A =[1 0 1 0 0; 10 1 0; 0 0 1 0; 0 0 0 1]. How do I find out that row 3 and 4 has weight one??
How Do I find out a specific weight number in a row of matrix?
8 years ago | 1 answer | 0
1
answerQuestion
Hi,, I am trying to do the below problem. Any kind of help would be appreciated.TIA
My matrix is A=[1 1 0 1 ; 1 0 0 1; 1 0 1 0] I will have to XOR the elements in the row so...
8 years ago | 1 answer | 0
1
answerQuestion
hi,,,lets say I have a 3*4 matrix.. I want to add row-wise elements. How can I do that? TIA
example : A=[1 0 1 0 ; 0 1 0 0 ; 1 1 1 0]; How can I add the elements row wise?
8 years ago | 1 answer | 0