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There is a page named "Convex and Concave" on Wikipedia
- Convex and Concave is a lithograph print by the Dutch artist M. C. Escher, first printed in March 1955. It depicts an ornate architectural structure with...2 KB (181 words) - 01:07, 17 May 2024
- while a concave function's graph is shaped like a cap ∩ {\displaystyle \cap } . A twice-differentiable function of a single variable is convex if and only...35 KB (5,850 words) - 04:14, 7 June 2024
- mathematics, a concave function is one for which the value at any convex combination of elements in the domain is greater than or equal to the convex combination...10 KB (1,371 words) - 03:44, 2 August 2024
- Curved mirror (redirect from Concave mirror)with a curved reflecting surface. The surface may be either convex (bulging outward) or concave (recessed inward). Most curved mirrors have surfaces that...17 KB (1,846 words) - 10:35, 8 July 2024
- non-convex sets. A set that is not convex is called a non-convex set. A polygon that is not a convex polygon is sometimes called a concave polygon, and some...25 KB (3,037 words) - 22:51, 6 July 2024
- A simple polygon that is not convex is called concave, non-convex or reentrant. A concave polygon will always have at least one reflex interior angle—that...3 KB (333 words) - 05:36, 25 September 2023
- Polygon (redirect from Convex and concave polygons)boundary of the polygon does not cross itself. All convex polygons are simple. Concave: Non-convex and simple. There is at least one interior angle greater...37 KB (4,287 words) - 18:20, 7 May 2024
- over convex sets (or, equivalently, maximizing concave functions over convex sets). Many classes of convex optimization problems admit polynomial-time algorithms...30 KB (3,097 words) - 23:17, 1 July 2024
- Lens (redirect from Convex-concave lens)of the other surface. A lens with one convex and one concave side is convex-concave or meniscus. Convex-concave lenses are most commonly used in corrective...60 KB (7,221 words) - 02:24, 23 August 2024
- In convex analysis, a non-negative function f : Rn → R+ is logarithmically concave (or log-concave for short) if its domain is a convex set, and if it...10 KB (1,316 words) - 19:14, 28 June 2024
- Quasiconvex function (redirect from Quasi-concave function)quasiconvex function that is neither convex nor continuous. Convex function Concave function Logarithmically concave function Pseudoconvexity in the sense...12 KB (1,448 words) - 04:32, 22 May 2024
- mirror Concave function, the negative of a convex function Concave polygon, a polygon which is not convex Concave set The concavity of a function, determined...448 bytes (86 words) - 17:03, 23 August 2022
- Submodular set function (section Concave closure)very similar to convex and concave functions. For this reason, an optimization problem which concerns optimizing a convex or concave function can also...22 KB (3,282 words) - 21:45, 15 August 2024
- Dodecahedron (redirect from Concave pyritohedral dodecahedron)and angles are equal. It is possible to go past these limiting cases, creating concave or nonconvex pyritohedra. The endo-dodecahedron is concave and...28 KB (2,027 words) - 21:44, 13 August 2024
- Quadrilateral (redirect from Concave quadrilateral)or crossed). Simple quadrilaterals are either convex or concave. The interior angles of a simple (and planar) quadrilateral ABCD add up to 360 degrees...47 KB (6,779 words) - 21:53, 20 August 2024
- In geometry, the convex hull, convex envelope or convex closure of a shape is the smallest convex set that contains it. The convex hull may be defined...61 KB (7,161 words) - 05:57, 16 August 2024
- mixture of convex and concave circular arc edges. Three given angles θ 1 {\displaystyle \theta _{1}} , θ 2 {\displaystyle \theta _{2}} , and θ 3 {\displaystyle...6 KB (715 words) - 08:12, 19 February 2023
- Schur, Schur-convex functions are used in the study of majorization. A function f is 'Schur-concave' if its negative, −f, is Schur-convex. Every function...3 KB (588 words) - 07:36, 29 July 2024
- Triangle (section Definition, terminology, and types)either convex (bending outward) or concave (bending inward). The intersection of three disks forms a circular triangle whose sides are all convex. An example...47 KB (5,504 words) - 21:38, 23 August 2024
- Kite (geometry) (section Definition and classification)constructed from the centers and crossing points of any two intersecting circles. Kites as described here may be either convex or concave, although some sources...37 KB (3,724 words) - 09:35, 16 July 2024
- One Side Concave, on the Other Convex, Broken by unknown author 4302796Tixall Poetry — A Glass, on the One Side Concave, on the Other Convex, Brokenunknown
- Old, Torture Their Young "And I thought to lose my way and suffer and die, that's just what I thought today." Convex, Concave "I cannot help the joy I'm
- is said to ba a concave function. It is easily seen that if a function is both convex and concave, it must be linear. Theorem: A convex function on X is