Which subspace solutions (Null Space, Column Space, Row Space, Left Null Space) could be a plane or a line in feature space?

08 February 2020 0 10K Report

Which subspace solutions (Null Space, Column Space, Row Space, Left Null Space) could be a plane or a line in feature space and Why? When could their possible Orthogonal Compliments be a plane or line? Please explain.

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