The following files are present in this folder (/files/2020/12/aerospace-sim-2-guidance-law/):

├── 1a-gen-trajectory.py
├── 1b-pid-tune.py
├── 1c-guidance-pid.py
├── 2a-control-laws-cmp.py
├── 2b-guidance-tgo.py
└── utils
    ├── control_laws.py
    ├── miscs.py
    ├── plot.py
    ├── sim.py
    ├── space.py
    └── sympy.py

All the files are available in a zip archive at /files/2020/12/aerospace-sim-2-guidance-law/archive.zip