| Author |
Comment/Response |
Ginno Lipst
|
 09/25/10 4:08pm
I tried to find the maximum by Mathematica:
FindMaximum[{Max[Abs[x + y], Abs[x - y], Abs[2 y]],
Max[Abs[x], Abs[y], Abs[-x + 4 y]] == 1}, {x, y}]
But the output turns out to be
{10.4706, {x -> 8.17647, y -> 2.29412}}
which is incorrect, because Abs[x]>1.
I am wondering how to obtain the correct maximum.
Thanks in advance for any help.
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