Session 02 - Matrices, Duals, and Parameters¶
Status: covered from Heptabase lesson 89c9fa70-f458-4598-92ca-496abf972396.
Covered Material¶
- Systematic generator and parity-check matrices.
- Row space versus null space.
- Dual codes and CSS preview.
- Code parameters, rate, distance, puncturing, and shortening.
Source Anchors¶
Retention Check¶
Ask the learner to derive H from a systematic G = [I_k | P] over GF(2), then explain why GH^T=0.