### Questions (11)

 23 How to find eigenvalues and eigenvectors of this matrix 7 Fast search of local positive quadruples on the sphere 5 Reconstruct polyhedron from sections 4 Effective convexity criterion for the finite point set in $\mathbb{R}^3$ 3 Best closed convex surface fitting N points in 3D

### Reputation (410)

 +10 How to find eigenvalues and eigenvectors of this matrix +10 Trigonometric version of second difference +2 Trigonometric version of second difference +10 Best closed convex surface fitting N points in 3D

 5 Conjecture: if $a+b$ and $ab$ are rational, $a$ and $b$ are rational 2 Find closest point, subject to linear inequality constraints 1 Non intersecting polygon from set of points. 1 Linear Least Square Optimization with Linear Equality Constraints 1 Can $\sum_i{d(m_i,Pn_i)^2}$ be minimized over $P$ using linear least squares?

### Tags (26)

 5 examples-counterexamples 2 computational-geometry × 6 5 irrational-numbers 2 least-squares × 5 5 proof-verification 2 quadratic-programming × 3 4 optimization × 7 1 geometry × 5 3 convex-optimization × 7 1 nonlinear-optimization × 2