Drexel dragonThe Math ForumDonate to the Math Forum



Search All of the Math Forum:

Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.


Math Forum » Discussions » sci.math.* » sci.math.independent

Topic: Help!
Replies: 5   Last Post: Dec 21, 2013 3:42 PM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
surabaysal@gmail.com

Posts: 1
Registered: 12/21/13
Help!
Posted: Dec 21, 2013 1:41 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

In l2 let M be th set of all sequences x=(x1,...,xn,0,0,...) which have only a finite number of nonzero terms. Prove that Mis linear subspace of l2 which is not closed. As a hint consider the sequence x1=(1,0,0,...) x2=(1,1/2,0,0,...) x3=(1,1/2,1/4,0,0,...) , ... in M.


Date Subject Author
12/21/13
Read Help!
surabaysal@gmail.com
12/21/13
Read Re: Help!
Peter Percival
12/21/13
Read Re: Help!
quasi
12/21/13
Read Re: Help!
quasi
12/21/13
Read Re: Help!
quasi
12/21/13
Read Re: Help!
Bart Goddard

Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© Drexel University 1994-2014. All Rights Reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.