If $a > b \geq 2$, where $a, b$ are integers, what is the lower bound of $b - \frac{b}{a}$?
1
For a vector norm $\|x \| = \sum_{i} |x_i|$ and a
matrix $A=(a_{ij})$ is it true that operator norm $\| A
\| = \max_j \sum_i |a_{ij}|$ ?
0
user435118
user435118
user435118
For a vector norm $\|x \| = \sum_{i} |x_i|$ and a
matrix $A=(a_{ij})$ is it true that operator norm $\| A
\| = \max_j \sum_i |a_{ij}|$ ?
