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Enginius/Machine Learning

[Compressive Sensing] Armijo's rule, trust region method, proof of Taylor theorem, Schur's lemma

Vector norms and matrix norms

$$ ||x||_2 \le ||x||_1 \le \sqrt{n}||x||_2 \le n||x||_{\infty} $$

$$ ||A||_2 \le ||A||_F \le ||A||_* \le \sqrt{r}||A||_F \le r ||A||_2 $$


Armijo's rule (Line search) + Trust region method


Proof of Taylor theorem 


Proof of Schur's lemma (Spectral theorem)


치팅 페이퍼 1,2