ROS initiate in MATLAB

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zihui lang
zihui lang on 23 Nov 2021
Hey guys,
I'm trying to play with ROS interface to MATLAB. I tried the communication between MATLAB and an external ROS master (another computer) and let matlab playing as a node. It works perfectly but the system has a certain amout of delay. According to the description of rosinit in the MATLAB support, it could initalize a local ros master by simply using rosinit without any address. But this doesn't works for me and here are the errors MATLAB showing me.
And a command window jump out showing this:
Does anyone have any idea what's going on? Or is there any prerequsite for running ROS using MATLAB besides python?
zihui lang
zihui lang on 27 Nov 2021
It works! Really appriciate your help!

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Accepted Answer

Jagadeesh Konakalla
Jagadeesh Konakalla on 29 Nov 2021
Good to know that your problem solved.
For others who run into similar issue, the solution is to add C:\WINDOWS\system32 to windows PATH enviornement variable and then restart the MATLAB.
Jagadeesh Konakalla
Jagadeesh Konakalla on 2 Dec 2021
Hi Zihui,
It is not very clear about the issue that you are facing with rosnode list.
As per the roshsutdown warning, i guess that rosmaster window is closed.
The rosinit command launches a Windows command window. Please do not close the window. You need to keep the window open. The rosshutdown command closes this window automatically.
Please provide more details on the issue that you are facing with rosnode list if you not accidentally closed the window.
Jagadeesh K.

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