Feb 19, 2012 Thread starter #1 D dray Member Feb 5, 2012 37 I need to prove that a flat (or affine variety) which contains the origin $\theta$ is a linear subspace of $\Re^n$. My problem is trying to understand what a flat actually is and how this differs from a convex set.
I need to prove that a flat (or affine variety) which contains the origin $\theta$ is a linear subspace of $\Re^n$. My problem is trying to understand what a flat actually is and how this differs from a convex set.