Fred Smith

Last seen: 4 days ago | Active since 2011

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coder bug in matlab2021 update: ??? Undefined function 'emcCanWriteCodeDescriptor' for input arguments of type 'struct’.
Hi Dan, If you are still having trouble in R2021a, please consider contacting tech. support, or providing reproduction steps. ...

2 years ago | 0

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Code Generation for Prediction of Machine Learning Model
Hi Inna, If you make the input to the network variable-sized that will produce generic code. You can use coder.varsize to make...

2 years ago | 0

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Answered
Why does coder produce multiple copies of my function?
Hi Arwel, MATLAB Coder is creating specializations of your function based on a heuristic. Notionally there is some difference ...

2 years ago | 0

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Creating a C from from a Script
Hi Jucimar, MATLAB Compiler will let you package your application with a GUI as described by Kojiro above. However, if you n...

6 years ago | 1

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Could not determine the size of this expression.
Mohamed, What specific expression is MATLAB Coder highlighting? What types do the variables in your code snippet have? What...

7 years ago | 1

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Answered
How to convert a function using mex code with the Matlab Coder
Instead of coder.target('sfun') you probably meant coder.target('matlab') in the latest release. In older ...

9 years ago | 1

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MATLAB Coder: Help with input matrices that are not of constant size
Alejandro, The problem is most likely not the upper bounds but rather the number of dimensions. Without the specific error m...

10 years ago | 0

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Answered
How to generate c/c++ code?
You do not need Embedded Coder for any of the activities you mention above. Embedded Coder is an add-on the enriches MATLAB C...

10 years ago | 1

Answered
Simple mex question: how to call a mex function in matlab utilizing variables defined in matlab
MEX-functions can be called from MATLAB by name like any other MATLAB function. If you have foo.mexw64, you call it using reg...

10 years ago | 2

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Answered
Neural network genfunction and matlab codegen generates incorrect parameters.
Somehow MATLAB Coder is interpreting {x1Type} as a string of 7 elements, instead of as a cell array with one argument. I don'...

11 years ago | 0

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Answered
I have tried to compile C code from Matlab using Matlab coder, but it turns out that Matlab functions we are using now “fitensemble” and “predict” are not supported by Matlab coder.
For functions that do not have code generation support your options are: * Use a C/C++/Fortran library and use custom C cod...

11 years ago | 2

Answered
Compilers to setup (additional configuration steps)
I am not sure I understand your question. If your question is: what should I do to setup all of the other products? Then for...

11 years ago | 0

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Answered
How to optimize the coder generated code to use pointer as input instead of structure ?
If you make detn_output an output as well, then it will be passed by pointer. What version of MATLAB Coder are you using? ...

11 years ago | 1

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Answered
How to use quadgk with Matlab coder?
Code generation does not support * Anonymous function @(x)x+2 * Nested functions (functions with end before the end of the p...

11 years ago | 1

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Answered
mex-file automation compiling problem
Hi Greg, How are you running "coder"? Are you using the codegen command? Or are you using a *.prj file with coder? In the ...

11 years ago | 0

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creating vector in matlab fcn bock
For this particular piece of code, variable-sizing should not be needed as the end points are constants. This example works f...

11 years ago | 0

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Matlab Coder toolbox not being executed. When i type ccoder in command window it shows error. The ccoder toolbox is not availble within my matlab gui but it shows it is present where it is installed. Please tell me what the exact problem is
If you do not have MATLAB Coder installed (as indicated by ver) then the commands ccoder and coder will not work and should no...

11 years ago | 1

Answered
What is the GUI version for emlc(or emlmex) in linux 2009b version
The GUI was introduced in R2011a.

11 years ago | 0

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Using function handles from *.m file in simulink model
Just to be clear, as of R2013a, anonymous function handles are not yet supported for code generation.

11 years ago | 0

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Matlab Coder coder.resize and coder.typeof unsupported for code generation
coder.resize and coder.typeof are used to construct and manipulate types that are passed as inputs to the codegen command. Th...

11 years ago | 0

Answered
emlc C code generation error "Unable to apply the reference parameter optimization"
This sounds like a bug. What version of MATLAB are you using? Your example worked in the latest version of MATLAB after upgr...

11 years ago | 0

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Error using 'getframe' in an embedded Matlab function in a Simulink Model
I think this is a bug or a limitation depending on what version you are using. Prior to R2012b, empty-fields were not support...

11 years ago | 0

Answered
How to deal with matlab functions that are unsupported when using Matlab Coder? (How can I transfer Matlab intrinsic function 'quadprog()' into C code using Matlab Coder?)
If you don't really need C code but are just running the function in MATLAB , you can often use CODER.EXTRINSIC to call the or...

12 years ago | 2

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Compilation don't work. Why?
You can find the target build log in the compilation report. When the build fails you should see a link to a report. Open th...

12 years ago | 0

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Answered
Is it possible to reduce code generation time for simulink Matlab function block?
As you describe the situation this sounds like a bug. If you are changing non-tunable parameters for your different runs the ...

12 years ago | 0

Answered
How do I define a structure that has an element which is an array?
This line seems wrong: assert(isa(personnel.employee,'int32')); In your code employee is supposed to be a struct with su...

12 years ago | 1

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Answered
How to convert checkmonotonic in matlab c coder?
checkmonotonic does not appear to be a supported MathWorks function. Can you provide more details on what you are trying to d...

12 years ago | 0

Answered
Matlab type mismatch in Embedded Matlab Functions
Going through a string to get the bitstream is questionable. This is the best alternative I could come up with: function ...

12 years ago | 0

Answered
codegen: can I use a Matlab global structure in a mex function created with codegen?
MATLAB globals are tricky.. There is a single global workspace containing all of your MATLAB global variables. You bind a name...

12 years ago | 1

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Answered
I cannot load the function CodeGen C6000 Basic Code Generation from a MATLAB m-function
MATLAB Coder is not available as part of the student version. You need to buy a MATLAB Coder license separately. Do you have...

12 years ago | 0

Fred Smith

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