Feedback on least-squares

[guidj]

In reference to version 224734d7be7ff0c4a8adb3a206356ea122112f33

Hi, I might be mistunderstanding things, but I suspect the sentence should say ...of b_Col(A) with respect to with respect to the spanning set { v 1 , v 2 ,..., v **n** }... not v **m**