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1 vote
0 answers
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Promise version of minimum distance

It has been known for some time that computing minimum distance of a linear code (minimum weight codeword) is NP-hard. This immediately also says that given a code $C$, calculating minimum hamming ...
Root's user avatar
  • 71
2 votes
1 answer
223 views

Minimal Support Solutions of a Linear System (Dissertation)

For a given $n \times m$ matrix A with $m>>n$ and a given vector $\vec b \in \mathbb{F}^{n \times 1}$, and given that $A\vec{x}=\vec{b}$ for at least one $\vec{x} \in \mathbb{F}^{m \times 1}$, ...
Thomas Rasberry's user avatar
8 votes
4 answers
2k views

NP-hard problems in linear algebra and real analysis [closed]

I am curious about NP-hard problems in linear algebra and real analysis. An example in linear algebra would be the calculation of the permanent. I would thus like to collect in this thread a list of ...