Thread: Problem 1.3 c
View Single Post
  #2  
Old 12-19-2015, 08:18 AM
htlin's Avatar
htlin htlin is offline
NTU
 
Join Date: Aug 2009
Location: Taipei, Taiwan
Posts: 601
Default Re: Problem 1.3 c

This inequality ||a + b|| <= ||a|| + ||b|| is quite loose in general and you may want to consider not using it. Hope this helps.
__________________
When one teaches, two learn.
Reply With Quote