Question

(matlab coder) Unable to package?
When I try the following code for C++ class generation,It can be generated successfully, but it fails to be packaged, I get the ...

9 months ago | 1 answer | 0

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Question

How to integrate codegen generated multiple different C projects using calls to generated functions?
As far as I know through internet searching, in order to fuse multiple code/functions generated by codegen in one big project, y...

9 months ago | 1 answer | 0

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Answered
How to classify multitasking and multi-label in MATLAB using deeplearning?
Multi-label classification can be done by changing the loss function to "binary cross-entropy loss", as far as I can remember, u...

10 months ago | 0

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Question

MATLAB coder:It's time to improve the efficiency and universality of cv(computer vision) toolbox code generation
The Matlab Coder Toolbox™ is a very useful toolkit, but its code generation is often unsatisfactory and some users use it to gen...

11 months ago | 0 answers | 0

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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!

11 months ago | 0

Submitted

smooth data
smooth data examples

11 months ago | 3 downloads |

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 = ...

12 months ago | 0

Submitted

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

12 months ago | 2 downloads |

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...

1 year ago | 1 answer | 0

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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 ...

1 year ago | 1 answer | 0

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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...

1 year ago | 1 answer | 0

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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 /...

1 year ago | 1

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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....

1 year ago | 2 answers | 0

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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...

1 year ago | 1

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...

1 year ago | 1 answer | 0

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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 ...

1 year ago | 0

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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...

1 year ago | 6

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 ...

1 year ago | 0

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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...

1 year ago | 1 answer | 0

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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...

1 year ago | 2 answers | 0

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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...

1 year ago | 1 answer | 0

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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 ...

1 year ago | 0

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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 ...

1 year ago | 0

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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...

1 year ago | 1 answer | 0

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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...

1 year ago | 0 answers | 0

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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...

1 year ago | 1 answer | 0

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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...

1 year ago | 2 answers | 0

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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...

1 year ago | 2

| 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...

1 year ago | 1 answer | 1

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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...

1 year ago | 0

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