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Data Plugin Matlab

Can anyone explain to me how to use the data plugin to write to mat files. I have tried to write some code so far to use it but i keep getting an error -2533 highlight that the node did not return a correct refnum. My code to open the database works fine but it will not let me to write to it. Just so everyone knowns I am writing to level 5 matlab file running Labview 64 bits 2013 edition. Also let me point out in the code attached the opening of the database is all preconfigured and works fine. 

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Hi Anthonytec2, 

 

I was able to find this forum post 

 

https://forums.ni.com/t5/LabVIEW/Creating-mat-files-with-Matlab-dataplugin-in-LabVIEW/td-p/1678970

 

that provides an example of using the MAT data plugin to write to MAT files, hopefully this will be a good starting resource for you. 

 

Otherwise it should be fairly simple to write these files with the read/write binary file functions. It seems that the MAT file format is well defined in this document: 

 

https://www.mathworks.com/help/pdf_doc/matlab/matfile_format.pdf

 

so you should be able to write to it directly. 

 

Additionally you may be able to use the MATI/O library to read and write to a MAT file. 

 

http://sourceforge.net/projects/matio/

 

-Nate

National Instruments
Staff Certification Engineer
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