There are many tutorial videos about NASA GMAT
(not to be confused with the GMAT admission exam)
Here is the first of our 4 favorite videos by Science Of Flight, (1/4):
(Be sure to watch all four, there are more video tutorials below in 4.1 & 4.2)
Go to VirtualBox => File => Import Appliance and
load the 4GB DigitalSats OVA file. This OVA file contains Ubuntu 20.04, all
the GMAT C++
source code, required libraries, and Python 3
(this could also take an hour).
Click on the Start icon, and you're on your own in the Ubuntu 20.04 GMAT & Python development environment.
In both cases, please RSVP for the next SmallSats Monday meeting on the 2nd Monday of Month at 6:30pm, and join us via Zoom:
Click Zoom link in the right column of the SmallSats RSVP page and join our MeetUp meeting promptly at 6:30pm.
We have more tutorials in the Astronautical Sciences as well as Scripting in GMAT:
Here is a link to NASA's 10 official GMAT Scripting Tutorials