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Old 04-07-2013, 08:08 PM
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yaser yaser is offline
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Join Date: Aug 2009
Location: Pasadena, California, USA
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Default Re: Question re: Notation for PLA Question

Quote:
Originally Posted by paul99 View Post
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 -1 to +1 on both coordinates, i.e., all points (x_1,x_2) such that 1-\le x_1 \le 1 and 1-\le x_2 \le 1.
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