unable to open add-ons menu

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Pawel Rzonca
Pawel Rzonca on 12 Oct 2020
Answered: Lanoosh Saadi on 7 Jun 2022
Fedora 32, matlab 2020b, Add-Ons menu does not open, got the following error:
Dot indexing is not supported for variables of this type.
Error in matlab.internal.addons.AddOnsWindow/bringToFront (line 68)
obj.webwindow.bringToFront();
Error in matlab.internal.addons.Explorer/bringToFront (line 65)
obj.addOnsWindowInstance.bringToFront();
Error in matlab.internal.addons.launchers.showExplorer (line 134)
matlab.internal.addons.Explorer.getInstance.bringToFront;
  2 Comments
Salvador Aleman
Salvador Aleman on 31 Oct 2020
I installed Matlab R2020b on CentOS 8 and am having the same issue. Tried to run Help->Check for updates and got similiar thing (i.e. the first line is the same)... I just can't log on to my account from the Matlab
Pawel Rzonca
Pawel Rzonca on 31 Oct 2020
I managed to open add ons manager on my Pop_OS! linux, removing libraries as described in arch wiki:
https://wiki.archlinux.org/index.php/MATLAB#Addon_manager_not_working

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Accepted Answer

Pawel Rzonca
Pawel Rzonca on 20 Nov 2020
One need to remove libraries as described in arch wiki:
https://wiki.archlinux.org/index.php/MATLAB#Addon_manager_not_working
and link system libraries.
On Fedora 33 I removed the following libs from folder
matlabroot/R2017b/cefclient/sys/os/glnxa64
(star because there are three versions of this lib in matlab)
libgio-2.0.so*
libglib-2.0.so*
libgmodule-2.0.so*
libgobject-2.0.so*
libgthread-2.0.so*
and linked system versions of this libs at this place.

More Answers (1)

Lanoosh Saadi
Lanoosh Saadi on 7 Jun 2022
g1=tf(80,[1 3 0])
h1=0.15
T1=feedback(g1,h1)
g2=tf(1,[1 0])
h2=1
T2=feedback(g2,h2)
step(T2)

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