Four Fundamental Subspaces
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Four Subspaces
Rn
C(AT) row space | N(A) |
---|---|
dimension = rank | dimension = n - r |
Rm
C(A) col space | N(AT) |
---|---|
dimension = rank | dimension = m - r |
- C(AT) ⊥ N(A)
- C(A) ⊥ N(AT)