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Question

High and low code rates in channel encoding

Dear, I want to know if in the field of channel encoding (error correction codes), the performances are good when the code rate...

1 year ago | 0 answers | 0

### 0

answersQuestion

Error using horzcat Dimensions of arrays being concatenated are not consistent

Dear, I have a program but When I run it, an error occurs: Error using horzcat Dimensions of arrays being concatenated are n...

1 year ago | 1 answer | 0

### 1

answerQuestion

Construction of a matrix from other (MATLAB)

Dear, I have a MATLAB code that aims to construct a square regular matrix of such dimensions which depend on the value 'm'. I ...

1 year ago | 1 answer | 0

### 1

answerQuestion

Obtain the transposed matrix from 2 vectors (MATLAB)

Dear, I have these two vectors: c=[1 0 0 0 0 1 1 0 1 0 0 0] s=[0 1 0 1 1 1] where s=c*(transposed H) H here is a matrix I ...

2 years ago | 1 answer | 0

### 1

answerQuestion

Create a double identity matrix matlab

If we have an identity matrix of dimensions (M*M) we use: M=12; K=eye(M); But how can we obtain this matrix in general way: (...

2 years ago | 4 answers | 1

### 4

answersQuestion

Divided a matrix into sub-matrices (MATLAB)

Dear members; I have an empty matrix of dimensions (m*n)=(6*12) using: H=zeros(m,n) I have to fil this matrix with ones, in o...

3 years ago | 2 answers | 0

### 2

answersQuestion

Index exceeds the number of array elements (0) (Matlab)

Dear members I'm working on a program that contains this part % Decoding part VCor_final=decode_irrwbf(Hc,rxn,M,N,max_ite); ...

3 years ago | 0 answers | 0

### 0

answersQuestion

Axes of plotted figure not complet (Matlab)

Dear members I have a program in which the figure resulted is not complet. It means the black line from the top and from the ri...

3 years ago | 1 answer | 0

### 1

answerQuestion

using parts of matrix with different sub-vectors (Matlab)

Dear members I have a vector V divided on sub-vectors And I have also a matrix H divided on sub-matrices I want shifting the ...

3 years ago | 1 answer | 0

### 1

answerQuestion

MTIMES (*) is not fully supported for integer classes. At least one argument must be scalar

Dear members I have a matrix H of type uint8 and a vector V of type double When I make D=mod(H*V,2); I get an error : MTIM...

3 years ago | 1 answer | 0

### 1

answerQuestion

Generate random binary matrix (Matlab)

Dear members I want generate binary matrix of dimensions M*N in which the number of ones in each row (ones_row) and column (one...

3 years ago | 1 answer | 0

### 1

answerQuestion

Change matrix bits depending on the rate (Matlab)

Dear members I have matrix A of dimensions s1*s2 where the number of ones in each column and row is equal And I have to write ...

3 years ago | 1 answer | 0

### 1

answerQuestion

Repeat While loop with the final result (Matlab)

Dear members I have a while loop I want to modify the program in order when L in not equal to 0, the while loop must repeat th...

3 years ago | 1 answer | 0

### 1

answerQuestion

for loop doesn't repeat the operation (Matlab)

Dear members I have a program in which I don't have errors when running it, but it doesn't repeat the operation n=n+1 when the ...

3 years ago | 1 answer | 0

### 1

answerQuestion

Obtaining how many times a number is repeated (Matlab)

Dear members; I have vector S=[0 1 1 0 1] in which the position L of ones is L=find(S==1); So L=[2,3,5] I have also Bi (i=1:...

3 years ago | 1 answer | 0

### 1

answerQuestion

Detect the error position in a vector and correct it (Matlab)

Dear members; I have the code word C of length 'M' and I have also the received vector V after decoding of the same length 'M' ...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to generalize code with many cases (Matlab)

Dear members; I have this Matlab code for ess=1:n % 'n' is the number of cases (here n=4) switch ess case 1 ...

3 years ago | 1 answer | 0

### 1

answerQuestion

Shifting vectors with the same matrix using 'for' loop

Dear members I have a matrix of dimensions 10*20 And I have a vector of 50 bits I have the main program that I use for my nee...

3 years ago | 1 answer | 0

### 1

answerQuestion

Change matrix bits depending on the rate (Matlab)

Dear members; I have matrix of B*C dimensions. and I have to write a program that verify if the final bits are '0' or '1'. If ...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to change a bit of matrix from 0 to 1

Dear members, I have a matrix and I have to write a program that verify if the final bits are '0' or '1'. If final bits are '0...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to shift a vector using 'for' loop

Dear members Firstly,I have many vectors for example (V1, V2, V3, V4 ...) of M length. How can I use 'for' loop to obtain firs...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to create null vector Matlab

Dear members I have matrix with size M*N and vector with size 1*K I want to create a null vector with length of N - length of ...

3 years ago | 1 answer | 0

### 1

answerQuestion

While loop for testing the end of vector (Matlab)

Dear members, If we have a long vector that we don't know its length, and we want use while loop to repeat the task than stop a...

3 years ago | 2 answers | 0

### 2

answersQuestion

Shifting columns in matrix Matlab

Dear members, I have a matrix in which its tril and triu are zeros And I want to shift up its rows How can I program it in Ma...

3 years ago | 2 answers | 0

### 2

answersQuestion

How to extract values from columns in a matrix

Dear members I have this matrix (5*5) for example H=[0 0 0 0 0; 0 1 0 0 0; 1 1 0 0 0; 1 0 1 0 0; 1...

3 years ago | 1 answer | 0