Platforms like StackExchange (Mathematics or Electrical Engineering) are excellent for asking about specific problems from San Ling’s book. Final Thoughts
Understanding MacWilliams’ Identity in practice.
To truly get better at coding theory, avoid the "copy-paste" trap. Use the manual as a :
Try the problem for 20 minutes without help.
While we cannot provide copyrighted files directly, students often find success looking for:
Many professors post "Selected Solutions" for their specific sections of the course.