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Prabhakar

MathWorks

Last seen: 9 days ago |  Active since 2011

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Sr. Compiler Engineer

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Answered
Not able to login form docker image for 1 month trail subscription?
Hi @Viplav AFAIK, It is not possible for you to use your Online Licensing credentials non-interactively. I also do not recogni...

2 months ago | 0

Answered
Docker compose interactive Matlab license fail (infinite loop)
Hi @Hud Bin The issue here is with your docker compose file. It needs to be configured to notify the container to run in intera...

8 months ago | 0

Answered
I receive License Manager Error 4402 when running matlab in a docker container in Linux
Dear @Álvaro Martin R2023b Update 6 has been updated to fix this issue. Kindly update this thread if using R2023b Update 6 doe...

10 months ago | 0

Answered
starting docker mathworks/matlab:r2023b from Python fails with licensing issue while running matlab from the docker's shell runs well
mathworks/matlab:r2023b has been updated to include the fix to this issue. Verify it by: Pulling the latest image from dockerh...

12 months ago | 0

Answered
Why do i receive License Manager Error 4402 when I run matlab in a docker container
Assuming you've used online licensing in the first container to login to MATLAB This is probably due to the fact that the f...

1 year ago | 0

Answered
starting docker mathworks/matlab:r2023b from Python fails with licensing issue while running matlab from the docker's shell runs well
Hi Shlomi I suspect that the environment variable "MLM_LICENSE_FILE" is not being honored in the mathworks/matlab:r2023b contai...

1 year ago | 2

Solved


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

1 year ago

Answered
Install parallel computing toolbox in matlab docker
One could also build a container with additional toolboxes by using the Dockerfile listed below. This example installs the ROS ...

1 year ago | 0

Answered
Running "sudo matlab" in docker container causes the majority of processes to crash
Based on the information in this question and your other thread, I gather you want to install the ROS toolbox and the Parallel C...

1 year ago | 0

Answered
Running "sudo matlab" in docker container causes the majority of processes to crash
Hi @Caspar Hanselaar Could you please try to execute the following command from your terminal within the container, BEFORE atte...

1 year ago | 0

Answered
rdivide and minus operation runs faster on GPU than rdivide alone.
Try varying the size of the inputs. Reducing the size of the input from 1e8 to 1e5 shows expected behavior. (ie gpuTest2 being ...

6 years ago | 0

Answered
How to use memoization in MatLab?
Memoize was added to MATLAB in R2017a. The <https://www.mathworks.com/help/matlab/ref/memoize.html documentation> is a good ...

6 years ago | 0

Solved


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

12 years ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

12 years ago

Answered
Import and view vectors
1) Choose from the TEXTSCAN, IMPORTDATA functions to read in the data from the txt file into MATLAB, 2) use the QUIVER/ QUIV...

13 years ago | 0

Answered
GUI register?
If the question means that you want to create a variable in the base workspace filled with data from the GUI. Then in a callback...

13 years ago | 0

| accepted

Answered
Edit .ogg files
Use an external converter in the OS to convert the OGG files to WAV. Read the Wav file into MATLAB and then use the WAV data ...

13 years ago | 0

Answered
Changing colors in an image
The tiff image seems to be in a RGB true color format. If this is so you can change the image from from true color to indexed fo...

13 years ago | 2

Answered
Why does solve ignore if a variable is assumed real or positive?
This behaviour occurs because the solver cannot find an analytical solution, and switches to the numeric solver. The numeric sol...

14 years ago | 4

Question


Why does solve ignore if a variable is assumed real or positive?
When I use 'solve' on a complicated equation with variables assumed to be real or positive, these assumptions are sometimes igno...

14 years ago | 1 answer | 1

1

answer

Question


If I have two plots on the same figure window, how do I use the Brush tool to highlight one data point and have the corresponding data point on the other plot highlighted in MATLAB 7.11 (R2010b)?
I have two plots side-by-side and they plot data with the same size. I would like to use the Brush tool to highlight one data po...

14 years ago | 3 answers | 0

3

answers

Answered
How can I display the current pointer location in X and Y values while using GINPUT in MATLAB 7.10 (R2010a)?
There is no supported function for doing this. Attached is a modified version of GINPUT, which references a third party functio...

14 years ago | 0

Question


Is there a way in MATLAB 7.10 (R2010a) to find out if the "Tag" for a TIFF file is empty?
I am using the getTag function in the Tiff class to query the "Tag" field. The function works fine. But if the Tag is empty, my ...

14 years ago | 1 answer | 0

1

answer

Answered
How can I view the automatically generated initial population from GA in Global Optimization Toolbox?
To see the intial population, one can specify/set the 'OutputFcns' property from the option used by GA. The function set by 'Out...

14 years ago | 1

| accepted

Question


How can I make a MATLAB program to take exactly the same time to run, every time it is run in MATLAB?
I have a MATLAB program which takes a certain amount of time to run, however I see that the time taken to execute in MATLAB is n...

14 years ago | 3 answers | 1

3

answers

Question


Why do I get false results when using equal relational operation for the logical operation?
I would like to get true when I use equal rational operation in a code including if condition. But I got false for the equal rat...

14 years ago | 2 answers | 0

2

answers

Question


Why does MATLAB terminate with no error message when using the UNIX redirection operator (<) to pass an input MATLAB file with a syntax error?
When a MATLAB file contains a control structure that does not terminate with an 'end' statement before the end of file is reache...

14 years ago | 1 answer | 0

1

answer

Question


How to solve a system of ODEs involving integral constraints using BVP4C in MATLAB 7.11 (R2010b)?
I am trying to solve a system of ODEs with associated boundary conditions and integral constraints. How to incorporatethe integr...

14 years ago | 1 answer | 1

1

answer

Question


How does SVMTRAIN determine Polynomial and RBF Kernel parameters (gamma,C) in the Bioinformatics Toolbox 3.5 (R2010a)?
I am using SVMTRAIN from the Bioinformatic Toolbox 3.5 (R2010a) and I would like to know if SVMTRAIN chooses the Kernel paramete...

14 years ago | 1 answer | 0

1

answer

Question


How do I place a custom title in the metadata of a pdf document?
When saving a figure to a .PDF document by any method, for example saveas, print or File->Save as, the title in the metadata (ac...

14 years ago | 1 answer | 2

1

answer

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