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Gaussian Mixture pdf plot
Hello. I have a gaussian with probability 0.2 and (m1,sigma1), another with probability 0.3 and (m2,sigma2) and one with probabi...
etwa 10 Jahre vor | 3 Antworten | 0
3
Antwortenperformance analysis of LDPC code
See my blog post with matlab code <https://freebil.com/?p=40>
mehr als 10 Jahre vor | 0
Hi,,is there anyone who could help in implementing the DECODER of LDPC code?
See my blog post with matlab code <https://freebil.com/?p=40>
mehr als 10 Jahre vor | 0
| akzeptiert
Hi, I am trying to make a parity check matrix from non-systematic to systematic. Hence I am attaching my code below. Somewhat it is correct, but there are some problems. It would be really great if someone could help me in this. Thanks
You have to do gauss jordan elimination to convert a parity check matrix to upper triangular form. For example, H=[1 1 0 1 ...
mehr als 10 Jahre vor | 0
need help with a for loop
In the second line of the for loop, b is 3x1 and (A*x(a)) is 3x3. So, you cant sum these. For summing, they must have identical ...
mehr als 10 Jahre vor | 0
Frage
create sparse upper triangular matrix with only 1s
Hello. I want to create a sparse upper triangular with size 10^5x10^5. Is it possible? m = triu(ones(10^5); and m = ...
mehr als 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Generator matrix for repetition coding
Hello. I would like to be able to make generator repetition matrices for given vectors. If I have the vector u = [1 0 0 1]...
mehr als 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
The variable g in a parfor cannot be classified..
Can anyone help me with this? parfor j=1:N z1r=normrnd(Z1(1),Z1(2)); %Random sample from distribution of...
fast 12 Jahre vor | 1 Antwort | 0
1
AntwortI cannot install Matlab 2014a on OS X Yosemite 10.10 public beta
Try this but i dont know if it will work.. 1- find Matlab application file under Applications folder 2- Right (Control) clic...
etwa 12 Jahre vor | 0
Frage
Osx Yosemite 10.10
Public beta of OS X yosemite is out now. I installed this and now matlab doesn't work. You can’t use this version of the app...
etwa 12 Jahre vor | 3 Antworten | 1
3
AntwortenFrage
create big matrix with only 0s and 1s
I want to run the following n = 10^6; m = n/2; H = sparse(m,n); parfor jj=1:n pos = sample(cumulative); H(...
fast 13 Jahre vor | 1 Antwort | 0
1
AntwortFrage
problem with parfor and big sparse matrix
I have the following code but I have to run it for n>10^6. For n=10^5 the memory is over. I have 16gb. Is there any efficient wa...
fast 13 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
convert a double array to something like logical
Hello. I want to concert every 1-> 1 0 0 0 0 0 0 2-> 0 1 0 0 0 0 0 3-> 0 0 1 0 0 0 0 4-> 0 0 0 1 0 0 0 5-> 0 0 0 ...
fast 13 Jahre vor | 3 Antworten | 0
3
AntwortenFrage
Floating point to fixed point
Hello. I want to convert some floating point values to fixed point with the best precision i can have for 20 bits. My range of v...
fast 13 Jahre vor | 1 Antwort | 0
1
AntwortFrage
problem with parfor loop
Is it possible to parfor this? for iter=1:50 for i=1:100 x(:,i)= rand(3,1) end end
fast 13 Jahre vor | 1 Antwort | 0
1
AntwortFrage
count rectangles on big matrices
Hello. I have very large sparse matrices with zero and one only and i have to count all the rectangles that there are in it. Fo...
fast 13 Jahre vor | 2 Antworten | 0
2
Antwortenproblem with parfor loop
Thanks for your answer. Actually, the code is for edge = 1:sum(num_of_edges) var_node = edge_2_var_node(edg...
etwa 13 Jahre vor | 0
Frage
problem with parfor loop
I have the following code parfor edge = 1:1000 var_node = edge_2_var_node(edge, num_of_variable_nodes) ...
etwa 13 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
parfor question with 40 nodes
Hello! I have a script which runs in 20 hours SNR=2:0.25:5 for i=1:length(SNR) ... for j=1:3000 ...
etwa 13 Jahre vor | 1 Antwort | 0
1
AntwortHow to perform an array multiplication for a vector and a matrix and output results as a matrix?
I think this works: M = [1 2 3]; C = [10 11 12; 13 14 15; 16 17 18; 19 20 21; 22 23 24]; for i=1:length(C) ...
etwa 13 Jahre vor | 0
Frage
The variable in parfor cant classified
Hello.This is my code: c_hat = zeros(n,1); vc = zeros(m,n); cv = zeros(m,n); parfor j = 1:n che...
etwa 13 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Working on a grid of 40 nodes
Hello. I would like to run a monte carlo simulation for snr=2:0.5:5 and 1000 iterations for every snr on my university grid.It h...
etwa 13 Jahre vor | 1 Antwort | 0
1
AntwortFrage
how i can have 2 points joining with quiver
Hello.I want to make a velocity vector from a point (i,j) to a point(k,z) on an image.How i can use quiver for it? Thanks
mehr als 13 Jahre vor | 2 Antworten | 0
