EDB — 11P

Exercises

1. [11P]Show that if $A\in {ℝ}^{m\times n}$ you have

   $$\underset{x\in {ℝ}^n,|x{|}_2\le 1}{max}|Ax{|}_2=\underset{x\in {ℂ}^n,|x{|}_2\le 1}{max}|Ax{|}_2.$$
   Solution 1

   [11Q]↺↻