LFD Book Forum Question re: Notation for PLA Question

#1
04-07-2013, 06:33 PM
 paul99 Member Join Date: Apr 2013 Location: Vancouver, BC (Canada) Posts: 11
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
#2
04-07-2013, 08:08 PM
 yaser Caltech Join Date: Aug 2009 Location: Pasadena, California, USA Posts: 1,477
Re: Question re: Notation for PLA Question

Quote:
 Originally Posted by paul99 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 .
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#3
04-07-2013, 09:07 PM
 paul99 Member Join Date: Apr 2013 Location: Vancouver, BC (Canada) Posts: 11
Re: Question re: Notation for PLA Question

Thanks Professor!
#4
01-04-2015, 10:57 AM
 brettbond Junior Member Join Date: Jan 2015 Location: Scottsdale, AZ Posts: 2
Re: Question re: Notation for PLA Question

That was helpful to me too.

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