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Nonlinear objectives, nonlinear constraints, non-convex objective, non-convex feasible region.
8
votes
0
answers
274
views
The busy Star Guardian
On an infinite plane, the Prime Star has disintegrated into four constituent stars, the North Star, the South Star, the East Star and the West Star, each traveling at a constant speed of $1$ in their …
4
votes
2
answers
258
views
The mower's challenge
Weeds have taken over the paths (two squares). If mowed, they don't grow back, but unmowed weeds spread at speed $1$ along the road. What's the minimum speed of the mower to get rid of all the weeds? …