How to open .mexw64 file with Matlab?

Hi, I would like to know how to open .mexw64 file with Matlab?

[Jan]

Please do not close questions, which got an answer already.

[mahdi]

Hey Jan

I have a problem with 'mex' file and would like to open it to fix if possible! .. Ill apperciate you if give me a tip ....

I donwlod mexcgns/cgns4m files from https://github.com/meshkit/cgns4m/archive/master.tar.gz. after Run you will see :

MEX completed successfully.

Invalid MEX-file

'C:\Users\mehgab\Desktop\cgns4m-master\cgns4m-master\cgnslib_mex.mexw64':

Missing symbol 'H5P_CLS_FILE_ACCESS_ID_g' in 'C:\Program

Files\MATLAB\R2018b/bin/win64\hdf5.dll' required by

'C:\Users\mehgab\Desktop\cgns4m-master\cgns4m-master\cgnslib_mex.mexw64'

Answer 1

[Jan]

You do not "open" such a file, because it is a compiled function. You call it exactly as any other Matlab function.

Why do you want to "open" the file?

[antlhem]

Hi Jan, do you know how to use a variable input for a MEX file function. I have posted my question here: https://uk.mathworks.com/matlabcentral/answers/408136-ho-to-use-a-dynamic-array-in-a-mex-file-function

I hope you could help me.

[Jan]

This means, that you are working with codegen and do not write the C-Mex function manually.

Answer 2

[Maria]

Hi,

maybe I can help you, because I came across this post when looking for "how to open a mex file". Now I understood that is a compiled function (thanks Jan), but I still wanted to double check the underslying .m file where this function was created from.

My mex file was created by using the Matlab coder. I created it from a .m file. Matlab generated automatically a folder named "codegen", and inside this there is a folder named "mex". In this folder, I can find the folder that has the same name as my original Matlab file. Inside this folder, I see the "html" folder and there, finally, I find the report.mldatx. In this report, I can double-check the original .m function associated to the compiled mex file.

Hope this helps!

BR

Maria

[antlhem]

Hi Maria, in the following link you can see how I organised my files in order to use a mex file function. I hope this contributes as well. https://uk.mathworks.com/matlabcentral/answers/408136-ho-to-use-a-dynamic-array-in-a-mex-file-function?s_tid=prof_contriblnk