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-   -   Question re: Notation for PLA Question (http://book.caltech.edu/bookforum/showthread.php?t=4170)

 paul99 04-07-2013 07:33 PM

Question re: Notation for PLA Question

Hi,

Playing a bit of catchup -- just finished watching both lectures and starting the homework.

I must have missed something in the lectures or my math is more rusty than I realized, but what does the notation X = [-1, 1] x  [-1, 1] mean??

Thanks!

Paul

 yaser 04-07-2013 09:08 PM

Re: Question re: Notation for PLA Question

Quote:
 Originally Posted by paul99 (Post 10212) Hi, Playing a bit of catchup -- just finished watching both lectures and starting the homework. I must have missed something in the lectures or my math is more rusty than I realized, but what does the notation X = [-1, 1] x  [-1, 1] mean?? Thanks! Paul
It is the the square on the 2-dimensinal plane from to on both coordinates, i.e., all points such that and .

 paul99 04-07-2013 10:07 PM

Re: Question re: Notation for PLA Question

Thanks Professor!

 brettbond 01-04-2015 11:57 AM

Re: Question re: Notation for PLA Question

That was helpful to me too.

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