Binary linear systems

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Studying for finals and came across a question on an old exam which I have no idea how to approach. How do I tell right away if something NP complete? I don't know the first step to answering this.

A = nxn binary matrix b = element in Z^n

and I need to find out if there is an x such that x an element in {0, 1}^n(binary string), and Ax = b.

Posted 16-Apr-14 13:15pm

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