Can't open additional instance of MATLAB in release 2024b?

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the cyclist
the cyclist 2024-10-16
回答： Gil Shamai 2024-11-14，12:35
I'm on a Mac (M1), running the latest OSX.
I don't seem to be able to open an additional instance of MATLAB by right-clicking on the icon, as I used to in 2024a (and all recent releases). In fact, I can't find any way to do so.
Is this a bug, or has MathWorks dropped this feature? I could not find any mention in the Release Notes.
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the cyclist
the cyclist 2024-10-17
I actually had not been notified about Sequoia yet, so I it turns out I am not on the latest OSX. I'll probably upgrade this weekend. I'm curious if that will matter.
the cyclist
the cyclist 2024-11-7，16:09
UPDATE:
I submitted this to tech support, and they have confirmed that it is a bug in 2024b, and will be fixed in a future release.
Note the bug is consistently present (for me) when I launch MATLAB either directly from /Applications, or from an icon in the Dock. But it does not occur when launching from the command line using /Applications/MATLAB_R2024b.app/bin/matlab. Thanks to @goc3 for that suggestion.

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回答（3 个）

goc3
goc3 2024-10-16
I am using an older Mac (Intel) and OS (Ventura), so, I do not know if this will help.
Nonetheless, I am still able to open an additional instance using the following (path) command in the Terminal:
/Applications/MATLAB_R2024b.app/bin/matlab
Of course, this is contingent upon R2024b being installed in the base /Applications directory. If it is not, then update the path accordingly before running that (path) command in the Terminal.
the cyclist
the cyclist 2024-10-17
R2024b Update 1 fixed this (presumed) bug.
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the cyclist
the cyclist 2024-10-31，1:56
My option to launch additional instances has disappeared again! I have no idea what has changed in the meantime. Ugh.
the cyclist
the cyclist 2024-10-31，14:25
OK, so now I noticed that the "Settings" menu option is also not available! Yikes.
Time to contact support.

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Gil Shamai
Gil Shamai 2024-11-14，12:35
SOLVED: Open a New MATLAB Instance via Terminal
  1. Open Terminal on your Mac.
  2. Use the following command to open a new instance of MATLAB:
open -na "MATLAB_R2024b.app"
  • The -n flag allows you to open a new instance.
  • The -a flag specifies the application name. Ensure the application path matches exactly.

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