The image of a spanning set spans the range

Created almost 9 years ago, updated about 8 hours ago

If $S$ spans $V$, then $T(S)$ spans the range $T(V)$. For $v=\sum_ic_is_i$, $T(v)=\sum_ic_iT(s_i)$. The image of a spanning list need not span the entire codomain unless $T$ is surjective.

Like how this is organised?

Build your own knowledge tree on knowen.md: notes, decisions and tasks in one connected markdown graph, shared with your team and your AI agents.