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OpenStudy (anonymous):
Linear Algebra question: For any matrix A, why does rank(A)=rank(A^T)? Any good proofs?
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OpenStudy (anonymous):
here is a short one col rank (A) = row rank (A^T) so dim (A) = col rank (A) = row rank (A^T) = rank (A^T)
OpenStudy (anonymous):
What exactly is dim(A)? Dimension of the column space?
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