Having trouble connecting MATLAB to Lumerical

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Marissa Whitby
Marissa Whitby on 2 Nov 2021
Commented: Marissa Whitby on 3 Nov 2021
Hi! I'm trying to connect my 64-bit MATLAB 2019a to Lumerical so that I can use the matlab(); script command in Lumerical. I tried following the instructions on this page https://support.lumerical.com/hc/en-us/articles/360026142074-MATLAB-script-integration-configuration-guide.
I found the libeng file in the MATLAB folder but even after I selected it and Lumerical said it was connected to MATLAB I got errors in Lumerical saying that MATLAB was not connected. I then tried to register the MATLAB software as an automation server by using the !matlab/regserver command in MATLAB as recommended but MATLAB just says busy and never does anything with it (even after several hours). I then went straight to the command window and input "C:\Program Files\MATLAB\R2019a\bin\win64\matlab"/regserver. This gave me the error "Unable to set Registry value for Software\Classes\CLSID\{6B213DCC-D6A6-472B-8E06-472B-8E06-5A84313EFE46}.You may not have sufficient privileges. Re-run MATLAB as a user with Administrator access" However I am the administrator on the computer and I ran it under my account. I also have MATLAB set so it automatically runs as administrator.
Please help. Any information is much appreciated.
Marissa Whitby
Marissa Whitby on 3 Nov 2021
Hi Walter thank you for your response. I was running it as administrator using the "Run as Administrator" option. It turns out the problem was that there was still a MATLAB 2020 file on my computer and I had to delete it for the connection to my MATLAB 2019 program worked. Thank you again!

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