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Results tagged with nonlinear-optimization
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user 497175
Nonlinear objectives, nonlinear constraints, non-convex objective, non-convex feasible region.
7
votes
1
answer
1k
views
Can a cubic polynomial in two real variables have three saddle points?
Is there a cubic polynomial $c(x,y)$ with exactly 3 saddle point critical points?
In other words, can a cubic polynomial in two variables have three critical points, all of which are saddle points? …
- 291
2
votes
1
answer
182
views
How many strict local minima can a quintic polynomial in two real variables have?
A quadratic or cubic polynomial (in two variables) can have at most one strict local minimum. A quartic polynomial can have up to five strict local minima [1]. So, how many strict local minima can a …
- 291
8
votes
1
answer
675
views
How many saddle points can a quartic polynomial in two real variables have? All 9?
By Bézout's theorem a quartic polynomial $p(x,y)$ can have at most 9 isolated critical points. Can all of them be saddle points?
In case of a cubic polynomial there is a mechanical way to answer thi …
- 291