JAI PRAKASH
Followers: 0 Following: 0
Statistics
RANK
7,978
of 295,486
REPUTATION
6
CONTRIBUTIONS
46 Questions
6 Answers
ANSWER ACCEPTANCE
52.17%
VOTES RECEIVED
5
RANK
of 20,236
REPUTATION
N/A
AVERAGE RATING
0.00
CONTRIBUTIONS
0 Files
DOWNLOADS
0
ALL TIME DOWNLOADS
0
RANK
of 153,950
CONTRIBUTIONS
0 Problems
0 Solutions
SCORE
0
NUMBER OF BADGES
0
CONTRIBUTIONS
0 Posts
CONTRIBUTIONS
0 Public Channels
AVERAGE RATING
CONTRIBUTIONS
0 Highlights
AVERAGE NO. OF LIKES
Publish your first review
Awarded to JAI PRAKASH on 09 Oct 2019
Accept 20 answers given by other contributors
Awarded to JAI PRAKASH on 25 Nov 2018
Provide your first answer ever to someone else's question
Awarded to JAI PRAKASH on 04 Nov 2018
Answer 1 question that was unanswered for more than 30 days
Awarded to JAI PRAKASH on 04 Nov 2018
Feeds
Simulink is not opening on ubuntu20.04. Loading indefinitely
Commenting below line in .bashrc solved the problem. #export QT_QPA_PLATFORM=offscreen
1 year ago | 0
| accepted
Question
Simulink is not opening on ubuntu20.04. Loading indefinitely
I was on Matlab 2021a. It was working few days ago. Now matlab is working, but simulink is not opening. I use matlab -deskto...
1 year ago | 2 answers | 0
2
answersQuestion
Vehicle turning with zero steer in Vehicle dynamics blockset. Why?
Hello, I feel vehicle is cornering even at zero steer. For reference, I am using 'Increasing Steering Reference Application'....
2 years ago | 0 answers | 0
0
answersQuestion
How to deploy simulink ROS node which has Acados S function?
I use Generate a Standalone ROS Node from Simulink to deploy a ROS node on Nvidia Jetson Xavier. How to deploy the same node wh...
3 years ago | 1 answer | 0
1
answerSimulink - How to store a scalar in a queue with simulation time?
Here I attach the solution, which my collegue found.
3 years ago | 0
Question
Simulink - How to store a scalar in a queue with simulation time?
I am trying to make a FIFO queue with time-stamps (simulation time). Queue would have a max length. I tried 'to workspace'...
4 years ago | 1 answer | 0
1
answerQuestion
How OpenCV interface can be used with simulink?
I am comfortable to use OpenCV interface with Matlab. But don't know how to use it with Simulink. (For further building). An...
5 years ago | 1 answer | 0
1
answerQuestion
What are compile-time constant?
Hi I want to generate a MEX file for following function function RGB = test(I) RGB = insertShape(I,'circle',[150 280 35],'Line...
5 years ago | 1 answer | 0
1
answerQuestion
Resizing pixels with independent scaling factor?
How can be pixels resized with independent scaling factor? Keeping size of final image same as initial image. e.g. + = ...
6 years ago | 1 answer | 0
1
answerQuestion
How to generate mex for openCV's 'imdecode' for CPU and GPU?
I want to generate mex funtion for 'imdecode'. First for CPU and then for GPU(GPU, if possible). I have already downloaded '...
6 years ago | 2 answers | 0
2
answersQuestion
How to decompress a Jpeg compressed data?
Hi I have JPEG compressed data, as shown in below figure. How original image can be recovered, if Height & Width of original...
6 years ago | 1 answer | 0
1
answerQuestion
After uninstalling CUDA toolkit still MATLAB responds for gpuDevice() !!
Hi Accidently I installed CUDA 10 in ubuntu 16.04. Later on I came to know that matlab supports CUDA 9.1. So i unistalled CUD...
6 years ago | 1 answer | 0
1
answerHow to find subscripts of each element inside many rectangular regions of a matrix?
This is 10x times than arrayfun, still i think can be optimsed. Because no pre-allocation in below code and many other potentia...
6 years ago | 0
Question
How to find subscripts of each element inside many rectangular regions of a matrix?
rowStart = [2; 4; 7]; % a column, may be of more than thousand element rowEnd = [3; 4; 9]; % a column, ...
6 years ago | 1 answer | 0
1
answerQuestion
How to pre-allocate for unknown size vector?
vector = []; for i = 1:1000000 r = randi([1 4],1,1); % a random integer generator between 1 and 4 vector = [vector 1:...
6 years ago | 3 answers | 1
3
answersQuestion
How to find indices of a rectangular region inside big matrix? | Efficiently
How can indices of elements belong to a rectangular region can be found? A = [4 4 4 4 4 4 4 4 ...
6 years ago | 3 answers | 0
3
answersQuestion
How to measure parfeval() execution time?
Is there any way to find how much time parfeval() to complete its execution?
6 years ago | 1 answer | 0
1
answerQuestion
How to run an independent callback function in parallel?
Hi rosinit obj = StoredData; image_sub = rossubscriber('/rgb/image_rect_color/compressed',{@callbackFn3a, obj}); % Indepe...
6 years ago | 0 answers | 0
0
answersQuestion
sort() is not working as mentioned in its doc !!!!!
Hi I want to use 'gpucoder.sort' feature newly included in 2018b. But I am getting below error: I have GPU Coder, C/C++ comp...
6 years ago | 0 answers | 0
0
answersQuestion
Parallelization: Same operation for each layer of RGB image !!
How to improve the way 'zoomIm' is used? [H, W, ~] = size(im); zoomIm = zeros([H W 3], 'uint8'); parfor j=1:3 ...
6 years ago | 0 answers | 1
0
answersHow to publish image to ROS in Simulink
If your matlab image is 'RGB' matrix, you can use following matlab function block + Bus assignment block as shown in figure. ...
6 years ago | 1
Question
How can already used elements be eliminated one by one in 2D matrix while moving upwards? | Efficienlty
Input input = [1 2 0; 2 3 4; 4 5 6]; Output Output= [1 0 0; 2 3 0; ...
6 years ago | 2 answers | 0
2
answersMatlab coder error : This expression has size [:? x 1] ?
I just change Line 12 with zoom = zoom(zoom>0 & zoom<=6); zoomMax = length(zoom); And matlab coder shows no error,...
6 years ago | 0
Question
Matlab coder error : This expression has size [:? x 1] ?
Hi While using matlab coder codegen. I am getting following error. <</matlabcentral/answers/uploaded_files/138494/Capture.J...
6 years ago | 2 answers | 0
2
answersQuestion
How to get timer's UserData?
I am fetching timer's UserData with the below command data = get(timer1, 'UserData'); Problem is, it gives whole userdat...
6 years ago | 2 answers | 0
2
answersQuestion
How to use 'Timer' function to send ROS messages?
fps=50; How can send ROS messages through a publisher continuously.
6 years ago | 1 answer | 0
1
answerQuestion
Why the same function is taking more time after MEX creation?
I want to create mex of 'sort()' funtion. So I build below function function idx = sort2(h) % h is 600x1280 'single' el...
6 years ago | 1 answer | 0
1
answerQuestion
How can MATLAB's buit-in function give output as class single intead of double?
All matlab function gives output as class double. e.g. [I,J] = ind2sub([H W],idx); it is clear that I & J will be int...
6 years ago | 1 answer | 0
1
answerQuestion
Why using .mex created by MATLAB Coder and GPU Coder doesn't give exactly same results?
Hi I created an image processing function and transformed it into .mex to speed-up my process. As I have an Nvidia GPU cuda ...
6 years ago | 0 answers | 0
0
answersQuestion
How to merge a cell 2x60 into 1x60?
<</matlabcentral/answers/uploaded_files/128487/Untitled.png>>
6 years ago | 1 answer | 0
1
answer
You can also select a web site from the following list
Americas
- América Latina (Español)
- Canada (English)
- United States (English)
Europe
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom(English)
Asia Pacific
- Australia (English)
- India (English)
- New Zealand (English)
- 中国
- 日本Japanese (日本語)
- 한국Korean (한국어)