Recent content by Bill Thompson

  1. B

    Describe all vectors orthogonal to col(A) with a twist

    I am trying to solve the following problem: Let A be a real mxn matrix. Describe the set of all vectors in F^m orthogonal to Col(A). Here, F^m could be C^m. Now in the real case, I'd say that the column space of A is the row space of A^T, and it is well known that the row space of a matrix is...
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