Let G mb (D) be a minimal-basic encoding matrix with memory m mb . Show that m mb is minimal over all equivalent polynomial generator matrices. Let G c (D) be a canonical encoding matrix with memory...

Let G_mb(D) be a minimal-basic encoding matrix with memory m_mb. Show that m_mb
is minimal over all equivalent polynomial generator matrices.

Let G_c(D) be a canonical encoding matrix with memory mc. Show that mc is minimal over all equivalent rational generator matrices.