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The solutions seems to be unbounded even if the array A is changed to [-4 1 5; 4 1 5; 1 1 1]; Anything wrong with syntax. Could not figure out. Any help.

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    $\begingroup$ It is obvious to me that the problem is unbounded. Solution: $x_1=0, x_2=-c+1, x_3=c$, where $c \geq 2$. Any $c^*$ can be increased. $\endgroup$ – callculus Sep 13 '19 at 18:39
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    $\begingroup$ Ohh I got it. Thanks @callculus. $\endgroup$ – Vinay5forPrime Sep 13 '19 at 18:41
  • $\begingroup$ You´re welcome. $\endgroup$ – callculus Sep 13 '19 at 18:43
  • $\begingroup$ It is $c\geq \frac12$-not $2$ $\endgroup$ – callculus Sep 13 '19 at 18:52

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