23. Best-fit Subspaces and SVD II Flashcards
1
Q
Theorem 23.1
best-fit n-dimensional subspace for A
A
2
Q
Lemma 23.2
If A has positive and rank
A
3
Q
Definition
matrix 2-norm (spectral norm)
A
4
Q
Lemma 23.3
The rows of A_n are…
A
5
Q
Theorem 23.4
If B is of rank at most n …
A
6
Q
Theorem 23.5
Bound on A_n approximation to A
A