Just_a_newbie

 2 Basic feasible solution of $P=\{x\in\mathbb{R}^n|Ax=b,x\ge0\}$ 0 Show any two edges in a 2-connected graph lie on a cycle 0 The importance of the full-row-rank assumption for the simplex method 0 Given the metric space $(\mathbb{N}, d_2)$, what is the interior of $\{5\}$?

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### Questions (4)

 1 Simple proof for sgn($\sigma \tau) = (-1)^{p(n - p)}$, where $\tau$ is constructed swapping two blocks 1 $u \in$ span$(u_2, \dots, u_p), \dots, u \in$ span$(u_1, \dots, u_{p - 1}) \implies u = 0?$ 0 Proving that a point is the result of only two lines intersecting and a line is the result of only two points being aligned 0 Given the metric space $(\mathbb{N}, d_2)$, what is the interior of $\{5\}$?

### Tags (16)

 2 linear-programming × 2 0 connectedness 0 general-topology × 2 0 graph-theory 0 optimization 0 discrete-mathematics 0 convex-optimization 0 matrices 0 graph-connectivity 0 vector-spaces

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 Stack Overflow 60 rep 5 Mathematics 50 rep 6 Linguistics 4 rep 1 Ask Ubuntu 3 rep 1