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
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It is the the square on the 2-dimensinal plane from
to
on both coordinates, i.e., all points
such that
and
.