### Questions (9)

 15 How do I construct a function $\operatorname{sog}$ such that $\operatorname{sog}\circ\operatorname{sog} = \log$? 8 Approximate the second largest eigenvalue (and corresponding eigenvector) given the largest 3 Ax = 0 easier than Ax = b? 2 Efficient method for testing membership 1 Closest point on line segment of a great circle

### Reputation (482)

This user has no recent positive reputation changes

 3 Extracting individual race results from Mario Kart final scores 1 Generating fixtures for a Chess league, with a twist 0 For what coinage systems does a greedy algorithm not work in providing change? 0 Proving $k \binom{n}{k} = n \binom{n-1}{k-1}$ 0 Estimating sample size

### Tags (27)

 4 algorithms × 4 0 statistics × 2 3 linear-algebra 0 spherical-coordinates 3 recreational-mathematics 0 spherical-geometry 1 combinatorics × 3 0 spherical-trigonometry 0 sequences-and-series × 2 0 convergence-divergence

### Bookmarks (6)

 110 $n!$ is never a perfect square if $n\geq2$. Is there a proof of this that doesn't use Chebyshev's theorem? 31 Dividing a square into equal-area rectangles 20 Extracting individual race results from Mario Kart final scores 17 Proving $k \binom{n}{k} = n \binom{n-1}{k-1}$ 17 What does it mean for rational numbers to be “dense in the reals?”