cui

Last seen: Today | Active since 2017

Statistics

All

Content Feed

Answered
Why do I receive "MathWorks Account Unavailable - Technical Issue" when trying to link or verify myself to a Campus Wide license using Identity Management?
My solution: clears all browser's cookies about mathworks and it work!

3 dagen ago | 0

Submitted

smooth data
smooth data examples

13 dagen ago | 1 download |

Answered
Non linear least square fitting
I offer here a robust least squares fit for reference purposes only. %% Create randome points along a circle r = 1; numPts = ...

ongeveer een maand ago | 0

Submitted

struct data Serialize-Deserialization
matlab struct or struct array Serialize/Deserialize

ongeveer een maand ago | 1 download |

Question

（Enhancement Request）how to Create data files that the generated code reads at run time to support C/C++ code generation?
As far as I know, coder.write and coder.read are functions that support serialisation/deserialisation at runtime in R2023a. code...

ongeveer een maand ago | 1 answer | 0

1

answer

Question

Non-constant expression or empty matrix. This expression must be constant because its value determines the size or class of some expression.
How should I correctly pass in variable structure fields to support C/C++ code generation? My problem is simplified by the fact ...

ongeveer een maand ago | 1 answer | 0

1

answer

Question

How do I pass the correct string for a function input parameter?
For example, I want to debug a mex file using valgrind in a linux terminal and need to pass in a string using the following comm...

ongeveer 2 maanden ago | 1 answer | 0

1

answer

Answered
libtiff.so.5: version `LIBTIFF_4.0' not found (required by *.so) for matlab in ubuntu environment?
I solved the problem using the following： sudo rm -rf /usr/local/MATLAB/<MATLAB_RELEASE>/bin/glnxa64/libtiff.so.5 sudo ln -s /...

2 maanden ago | 0

| accepted

Question

libtiff.so.5: version `LIBTIFF_4.0' not found (required by *.so) for matlab in ubuntu environment?
When running a mex file or mixing it with the opencv library, an error like the one below occurs, how do I fix it? libtiff.so....

2 maanden ago | 1 answer | 0

1

answer

Answered
Matlab crashing in ubuntu when using MATLAB coder
1. Ubuntu 18.04/20.04 has libcanberra-gtk3-module (gtk-3.0+) installed by default, and Matlab needs to call the gtk-2.0+ canberr...

2 maanden ago | 0

Question

matlab uses "which" to find a file that shows up as a built-in function location, but why doesn't the file actually exist?
which some-built-in-function filename = "some-built-in-function-path"; if isfile(filename) disp("this file exist") else...

2 maanden ago | 1 answer | 0

1

answer

Answered
performance: vision.AlphaBlender is slower when image is big.
There are many ways to solve this, such as rewriting the implementation of this function yourself in C/C++ and wrapping it as a ...

3 maanden ago | 0

| accepted

Answered
Why does MATLAB crash on Linux with "Inconsistency detected by ld.so: ../elf/dl-tls.c: 597: _dl_allocate_tls_init:"
1. Ubuntu 18.04/20.04 has libcanberra-gtk3-module (gtk-3.0+) installed by default, and Matlab needs to call the gtk-2.0+ canberr...

3 maanden ago | 2

Answered
(matlab coder)How should the coder::array member function set convert opencv's mat type to its type in-place?
After repeated investigations and trials over this period of time, in relation to my current problem, I have found out what the ...

3 maanden ago | 0

| accepted

Question

(matlab coder)Generating C++ code for scalar string results in a garbled last character?
my entry-point codegen function: function out = useImageAndString(imagePathstr)%#codegen arguments imagePathstr (1,1) s...

3 maanden ago | 1 answer | 0

1

answer

Question

(matlab coder)How should the coder::array member function set convert opencv's mat type to its type in-place?
When using matlab coder to generate C++ code, the generator automatically generates a C++ class for coder::array, which is defin...

3 maanden ago | 2 answers | 0

2

answers

Question

(question)How does the arguments syntax apply multiple optional type restrictions to one of the input arguments?
For example, I need to restrict the type of the input argument inImage to "uint8" or "logical" or "double" for the following sig...

3 maanden ago | 1 answer | 0

1

answer

Answered
Is there an offline html document download for matlab?
Starting in R2023a, the documentation is not installed as part of a product installation. This change significantly reduces the ...

3 maanden ago | 0

| accepted

Answered
question: Use of integrated external C/C++ code in matlab coder does not work for coder.varsize?
After some careful research, I found that coder.varsize is not supported for entry function input parameters and there are many ...

3 maanden ago | 0

| accepted

Question

question: Use of integrated external C/C++ code in matlab coder does not work for coder.varsize?
When I follow this topic "Call Custom C/C++ Code from the Generated Code" to generate my own external/legacy C++ code, coder.var...

3 maanden ago | 1 answer | 0

1

answer

Question

matlab coder:Can I give some advice on C/C++ code generation for the Image Processing Toolbox and Computer Vision Toolbox?
As far as I know from years of experience and official releases(see attachment), many of the built-in functions in the mathworks...

4 maanden ago | 0 answers | 0

0

answers

Question

matlab coder:Can the C++ functions generated for the entry point functions of the "arguments" validation syntax take mergeability into account?
For example, there is such an entry-point function in matlab that needs to generate C/C++ code, and I have generated several fun...

4 maanden ago | 1 answer | 0

1

answer

Question

(Enhancement Request) generated code for the "arguments...end" default argument syntax in matlab coder
It is well known that the 'arguments' default argument syntax is very easy to use and read in MATLAB functions.In the latest ver...

4 maanden ago | 1 answer | 0

1

answer

Answered
VideoReader reads ".h264" video compression file with error "Caught unexpected exception of unknown type."
After much trial and error, I was lucky enough to find a solution that worked for me, and I am sharing it with you so that I can...

4 maanden ago | 0

| accepted

Question

VideoReader reads ".h264" video compression file with error "Caught unexpected exception of unknown type."
Initially when I tried to use the VideoReader function to read the ".h264" video compression format file I got the error "Unable...

4 maanden ago | 1 answer | 0

1

answer

Answered
bug:factorGraph object function addFactor returns less one than normal return value
The factorGraph series of functions was introduced in the recent R2022a release. Many of the descriptions of this series of func...

5 maanden ago | 0

| accepted

Question

bug:factorGraph object function nodeState return always ZERO state after addFactor non-zero values?
It's strange that when i add some non-zero factor state into factorGraph object, before optimizition, use nodeState function to ...

5 maanden ago | 1 answer | 0

1

answer

Answered
How to visualize the changes in dlarray/weight distribution with histograms in deep learning?
it's lucky to hear that recently matlab version support visualize net weight distribution. one example is here link. https://w...

5 maanden ago | 0

| accepted

Question

bug:factorGraph object function addFactor returns less one than normal return value
this is minor bug, addFactor should return 1-based positive integer node index value,but in matlab R2022b return 0-base index va...

5 maanden ago | 2 answers | 0

2

answers

Question

bug: factorGraph does not work for relative measurement angles
I tried to add relative pose measurements of 2 adjacent nodes using factorGraph's object function factorTwoPoseSE3, but no matte...

5 maanden ago | 1 answer | 0

1

answer

cui

Statistics

MATLAB Answers

MATLAB Answers

Cody

Cody

File Exchange

File Exchange

Cody

Cody

Cody

Cody

File Exchange

File Exchange

Content Feed

1

1

1

1

1

1

2

1

1

0

1

1

1

1

2

1