wu :: forums
wu :: forums - question about sup and limit?

Welcome, Guest. Please Login or Register.
Jan 27th, 2022, 2:53pm

RIDDLES SITE WRITE MATH! Home Home Help Help Search Search Members Members Login Login Register Register
   wu :: forums
   general
   complex analysis
(Moderators: Grimbal, Icarus, ThudnBlunder, william wu, towr, SMQ, Eigenray)
   question about sup and limit?
« Previous topic | Next topic »
Pages: 1  Reply Reply Notify of replies Notify of replies Send Topic Send Topic Print Print
   Author  Topic: question about sup and limit?  (Read 9477 times)
comehome1981
Newbie
*





   


Posts: 20
question about sup and limit?  
« on: Feb 20th, 2009, 8:31am »
Quote Quote Modify Modify

Thanks for helping me solve the following question!!
 
We have  
      fn(x) -> f(x) pointwise
 
Can we conclude  
 
lim_n sup_{x} fn(x) = sup_{x} lim_n fn(x) = sup_{x} f(x)
IP Logged
Eigenray
wu::riddles Moderator
Uberpuzzler
*****






   


Gender: male
Posts: 1948
Re: question about sup and limit?  
« Reply #1 on: Feb 20th, 2009, 9:58am »
Quote Quote Modify Modify

Try fn(x) = x/n.
IP Logged
Pages: 1  Reply Reply Notify of replies Notify of replies Send Topic Send Topic Print Print

« Previous topic | Next topic »

Powered by YaBB 1 Gold - SP 1.4!
Forum software copyright 2000-2004 Yet another Bulletin Board