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David Fink


Last seen: 23 días ago

MathWorks

32 total contributions since 2017

I work in the Engineering Development Group at MathWorks and have a background in Computer Science, Mathematics, and Physics.

My professional interests include MATLAB, Code Generation, and GPU Algorithms.

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Answered
i have excel design sheet which contains all DS I/O card information.so i want to filter the particular card information like how we do in excel.
I recommend importing into MATLAB as a table: mathworks.com/help/matlab/import_export/read-spreadsheet-data-into-table.html ...

5 meses ago | 0

Answered
Unable to determine MEX compiler: use mex -setup to configure your system.
[Copying the answer here] At the MATLAB Command Prompt: mex -setup -v

5 meses ago | 0

Answered
problem of custom target of board stm32f429
It looks like there are a few problems with the Makefile: "codertarget.arm_cortex_a.internal.getSpPkgRootDir" should have been ...

5 meses ago | 0

Answered
Import Function is not supported
import is used to bring names into scope. Instead of: import x.y.* functionInXY(); use x.y.functionInXY(); Please contac...

5 meses ago | 0

Answered
How to replace Nonscalar struct for Matlab Coder error?
centroids = cat(1, stats.Centroid); is just concatenating the centroid row vectors in the first dimension (vertical), which can...

6 meses ago | 0

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Answered
What is the combined execution time of the Flux Observer and Speed Measurement block in Motor Control Blockset?
Runtime performance of generated code relies on a variety of factors, including: Hardware Code generation settings related to ...

6 meses ago | 0

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Answered
How to import a pre trained linear regression model from python to matlab?
To import from Python to MATLAB, save the model in a format MATLAB can import: https://www.mathworks.com/help/deeplearning/deep...

6 meses ago | 1

Answered
Fixed variable range in code translation
Yes, using "assert" statements. See examples on: Define Variable-Size Data for Code Generation Provide Maximum Size for Varia...

6 meses ago | 0

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Answered
How can I Change/Set coder Error limit?
This is (for now) an internally-set limit. Similar to other compilers, some errors messages tend to "cascade", producing multip...

6 meses ago | 0

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Answered
Missing builtin_typeid_types.h with OpenECU
Based on http://support.openecu.com/, it sounds like OpenECU r2.8.0 does not support RSim with MATLAB R2018b. I recommend reach...

6 meses ago | 0

Answered
GUI for basic operations in Boolean algebra
Like Adam mentioned, you can set breakpoints to run your code one line at a time in order to find the problem. Alternatively,...

11 meses ago | 0

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Answered
Can't "coder.loadDeepLearningNetwork" import a custom network model?
The crash in R2019b and error in R2019a are not expected. Please reach out to MathWorks Technical Support with the reproduction...

alrededor de 1 año ago | 0

Answered
Can't check out MATLAB coder license.
Please reach out to our Installation and Licensing Team for assistance with this issue: https://www.mathworks.com/support/conta...

alrededor de 1 año ago | 0

Answered
Convert C++ Code to Matlab Code with MATLAB 2019a
If your overall goal is to convert C++ code to MATLAB code, yes, manual conversion is still required in R2019a. However, if y...

más de 1 año ago | 1

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Answered
Generation of C code from simulink
Based on the error message, Hd (a dsp.IIRFilter) contains a member that is a handle class, which let multiple names refer to the...

más de 1 año ago | 1

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Answered
how to convert matlab code to c with nonsuported functions for code generation
Please see Walter's comment, with one difference: As of R2019a, arrayfun is supported for code generation, with limitations: h...

más de 1 año ago | 0

Answered
Complete Example for Passing Array by Reference to C for Processing
Thanks for the recommendation! We're working on improving our documentation and this is valuable feedback. Let's see if I ca...

más de 1 año ago | 1

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Answered
Matlab coder prevent memcpy/ name alias without copy
If Structure1.structure2.list is a Handle Class, you can assign to another name (myList) and modify the original object via myLi...

más de 1 año ago | 0

Answered
What is the right way to work with Matlab coder dynamic and static allocations?
There are two recommended ways to avoid large stack usage and dynamic allocation in multiple iterations of the algorithm. For b...

más de 1 año ago | 2

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Answered
how to generate MEX from package function in MATLAB?
Functions within packages are not supported as entry-point functions. (Current as of R2018b) See the following question/answe...

más de 1 año ago | 1

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Answered
Online Parameter Estimation of Plant model
The System Identification Toolbox has command-line and Simulink functionality for Online Parameter Estimation: https://www.math...

más de 1 año ago | 0

Answered
Rte_Type.h file in generated code for AUTOSAR with Matlab function in Simulink
Try setting the DataScope for the Enum to "Exported": <https://www.mathworks.com/help/simulink/ug/using-enumerated-data-in-si...

más de 2 años ago | 0

Answered
DAQ USB 6008 is NOT RECOGNIZED
Make sure the Driver version is compatible with your release of MATLAB. Click "Third-Party Requirements" on the right side of fo...

casi 3 años ago | 0

Answered
how to make phased.CosineAntennaElement element pattern in z-direction
A linear array or planar array can be used to <https://www.mathworks.com/help/phased/ref/phased.cosineantennaelement-system-obje...

casi 3 años ago | 0

Answered
How can I choose the mex c object file (.o) output location?
To debug, you need to add the debug flag -g so that mex knows to compile with debugging symbols: mex -g -v mxisscalar.c -ou...

casi 3 años ago | 1

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Answered
C++ Flags in Legacy Code Tool
While passing '-std=c++11' to the Legacy Code Tool is not currently supported, I have tested the following workaround: # Cons...

alrededor de 3 años ago | 0

Answered
Getting MATLAB to accept input from external keypad
Since MATLAB displays '4' when you type it on the external keypad, MATLAB does receive signals from the external keypad. This...

alrededor de 3 años ago | 0

Answered
Script to access Amazon S3 files
Since S3 uses a RESTful architecture, use 'webread' and 'webwrite' to access the S3 bucket. webread: <https://www.mathworks.c...

alrededor de 3 años ago | 0

Answered
How can I skip some lines in a text file in order to reach a specific one which is in an undefined position?
Use 'fgetl' and 'isequal' to check each line against the specific one. Consider the following text file 'find.txt', and the d...

alrededor de 3 años ago | 0

Answered
How does the Lasso function handle NaN values?
The lasso function ignores all rows (observations) with NaN values. This can be seen in the code for 'lasso' near line 240 wh...

alrededor de 3 años ago | 0

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