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2. Convex optimization - Wikipedia

   en.wikipedia.org/wiki/Convex_optimization

   Convex optimization is a subfield of mathematical optimization that studies the problem of minimizing convex functions over convex sets (or, equivalently, maximizing concave functions over convex sets). Many classes of convex optimization problems admit polynomial-time algorithms, [1] whereas mathematical optimization is in general NP-hard.

3. Convex cone - Wikipedia

   en.wikipedia.org/wiki/Convex_cone

   The conical hull of a finite or infinite set of vectors in is a convex cone. The tangent cones of a convex set are convex cones. The set is a cone but not a convex cone. The norm cone is a convex cone. The intersection of two convex cones in the same vector space is again a convex cone, but their union may fail to be one.

4. Gift wrapping algorithm - Wikipedia

   en.wikipedia.org/wiki/Gift_wrapping_algorithm

   Gift wrapping algorithm. Animation of the gift wrapping algorithm. The red lines are already placed lines, the black line is the current best guess for the new line, and the green line is the next guess. In computational geometry, the gift wrapping algorithm is an algorithm for computing the convex hull of a given set of points.

5. Convex and Concave - Wikipedia

   en.wikipedia.org/wiki/Convex_and_Concave

   Type. lithograph. Dimensions. 27.5 cm × 33.5 cm (10.8 in × 13.2 in) Convex and Concave is a lithograph print by the Dutch artist M. C. Escher, first printed in March 1955. [1] It depicts an ornate architectural structure with many stairs, pillars and other shapes. The relative aspects of the objects in the image are distorted in such a way ...

6. Hyperplane separation theorem - Wikipedia

   en.wikipedia.org/wiki/Hyperplane_separation_theorem

   In geometry, the hyperplane separation theorem is a theorem about disjoint convex sets in n-dimensional Euclidean space.There are several rather similar versions. In one version of the theorem, if both these sets are closed and at least one of them is compact, then there is a hyperplane in between them and even two parallel hyperplanes in between them separated by a gap.

7. Talk:Dell monitors - Wikipedia

   en.wikipedia.org/wiki/Talk:Dell_monitors

   The Dell 1901FP service menu can be accessed as follows: Turn the monitor off. Press and hold the MENU and "-" buttons (the two left most buttons), then power the monitor on. Press [MENU] and two new yellow tags should appear on the title bar of the main menu. If not try again.