[線代] least squares solution
let A be an 8*5 matrix of rank 3, and let b be a nonzero vector in N(A^T)
(1) show that the system Ax=b must be inconsistent
(2) how many least squares solutions will the system Ax=b have? explain
請問有人會這兩題的證明嗎?
可以指點一下嗎 謝謝!!
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