Merge branch 'gupa977e_MATLAB' into 'preview'

add instructions for starting MATLAB container

See merge request !1017

doc.zih.tu-dresden.de/docs/software/mathematics.md

@@ -126,16 +126,27 @@ marie@login$ module load MATLAB
 (then you will get the most recent MATLAB version.
 [Refer to the modules section for details.](../software/modules.md#modules))
 
-### Interactive
+### Interactive MATLAB-GUI
 
-If X-server is running and you logged in at ZIH systems, you should allocate a CPU for your work
-with command
+If you have a connection with X11 forwarding enabled.
+
+#### Interactive
+
+You should allocate a CPU for your working with command:
 
 ```console
-marie@login$ srun --pty --x11=first bash
+marie@login$ srun --time=01:00:00 --pty --x11=first bash
 ```
 
-- now you can call "matlab" (you have 8h time to work with the MATLAB-GUI)
+- now you can call "matlab" (you have 1h to work with the MATLAB-GUI)
+
+#### MATLAB container
+
+We provide MATLAB containers that can be started as following:
+
+```console
+marie@login$ start_matlab.sh
+```
 
 ### Non-interactive