a convex curve is a plane curve that has a supporting line through each of its points. There are many other equivalent definitions of these curves, going...
37 KB (4,174 words) - 06:39, 27 September 2024
crescent shape, is not convex. The boundary of a convex set in the plane is always a convex curve. The intersection of all the convex sets that contain a...
27 KB (3,429 words) - 17:52, 10 May 2025
triangle is strictly convex. Convex curve – Type of plane curve Concave polygon – Simple polygon which is not convex Convex polytope – Convex hull of a finite...
6 KB (881 words) - 09:02, 13 March 2025
or by intersecting circles centered on a partial curve. Every body of constant width is a convex set, its boundary crossed at most twice by any line...
29 KB (3,608 words) - 18:20, 13 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...
58 KB (7,173 words) - 01:04, 1 July 2025
nonnegative matrix is a convex function of its diagonal elements. Concave function Convex analysis Convex conjugate Convex curve Convex optimization Geodesic...
35 KB (5,857 words) - 19:23, 1 August 2025
continuous curve evolution. If the curve is non-convex, its total absolute curvature decreases monotonically, until it becomes convex. Once convex, the isoperimetric...
75 KB (9,389 words) - 10:32, 27 May 2025
mathematics, an orientation of a curve is the choice of one of the two possible directions for travelling on the curve. For example, for Cartesian coordinates...
9 KB (1,483 words) - 02:31, 8 October 2024
smooth or convex curve such as a circle or triangle, but it remains unsolved whether a square can be inscribed in every simple closed curve. Several problems...
84 KB (9,050 words) - 06:05, 21 July 2025
A curved mirror is a mirror with a curved reflecting surface. The surface may be either convex (bulging outward) or concave (recessed inward). Most curved...
17 KB (1,859 words) - 18:26, 24 June 2025
plane): Algebraic geometry Convex curve Differential geometry Osgood curve Plane curve fitting Projective varieties Skew curve Coolidge, J. L. (April 28...
5 KB (670 words) - 00:49, 20 April 2024
Newton's theorem about ovals (category Theorems about curves)
while for others it is false. If "oval" means merely a continuous closed convex curve, then there are counterexamples, such as triangles or one of the lobes...
6 KB (646 words) - 06:50, 29 July 2025
but 1/2. Since a convex curve intersects almost every line either twice or not at all, the unoriented Crofton formula for convex curves can be stated without...
10 KB (1,560 words) - 21:02, 17 July 2025
Entasis (section Concave curves)
In architecture, entasis is the application of a convex curve to a surface for aesthetic purposes, or increasing strength. Its best-known use is in certain...
9 KB (1,085 words) - 21:22, 17 July 2025
N-ellipse (category Algebraic curves)
ellipse. Both are algebraic curves of degree 2. For any number n of foci, the n-ellipse is a closed, convex curve.: (p. 90) The curve is smooth unless it goes...
4 KB (454 words) - 03:03, 12 June 2025
Demand curve are, however, considered to be generally convex in accordance with diminishing marginal utility. Theoretically, the Demand curve is equivalent...
20 KB (2,664 words) - 15:57, 10 April 2025
indifference curve, that is the magnitude of the slope is decreasing or becoming less steep, then the preference is convex. The theory of indifference curves was...
32 KB (4,675 words) - 08:50, 2 November 2024
Since they lie on a parabola, which is a convex curve, it is easy to see that the vertices of the convex hull, when traversed along the boundary, produce...
17 KB (2,326 words) - 04:22, 2 May 2025
It is a form of back for an automobile body consisting of a single convex curve from the top to the rear bumper. This automotive design element "relates...
27 KB (2,412 words) - 12:15, 23 June 2025
scimitar (/ˈsɪmɪtər/ or /ˈsɪmɪtɑːr/) is a single-edged sword with a convex curved blade of about 75 to 90 cm (30 to 36 inches) associated with Middle...
18 KB (2,018 words) - 16:16, 23 July 2025
combinations with positive coefficients. It follows that convex cones are convex sets. The definition of a convex cone makes sense in a vector space over any ordered...
28 KB (3,941 words) - 12:49, 8 May 2025
and solved. A generalized solution for any smooth convex curve like an ellipse, and even unclosed curves, has been formulated. The question about the grazable...
25 KB (4,747 words) - 03:31, 28 July 2025
Ogee (redirect from Ogee curve)
semicircular curves or arcs that, as a result of a point of inflection from concave to convex or vice versa,: 218 have ends of the overall curve that point...
15 KB (1,745 words) - 13:45, 1 August 2025
figure with three vertices connected by curves that are concave to the exterior, making the interior points a non-convex set. A hypocycloid can be represented...
6 KB (921 words) - 12:18, 10 March 2024
Hedgehog (geometry) (category Plane curves)
well-behaved) forms a curve with one tangent line in each direction, regardless of orientation. Every closed strictly convex curve is the envelope of its...
12 KB (1,545 words) - 18:19, 11 May 2025
smooth, convex curve the angle of the tangent line changes monotonically, and the resulting dual curve is also smooth and convex. Further, both curves above...
11 KB (1,751 words) - 10:41, 3 April 2024
List of convexity topics (category Convex geometry)
of each of its supporting lines. The interior of a closed convex curve is a convex set. Convex function - a function in which the line segment between any...
8 KB (1,173 words) - 23:55, 16 April 2024
a shape is. The curve-shortening flow decreases the isoperimetric ratio of any smooth convex curve so that, in the limit as the curve shrinks to a point...
2 KB (262 words) - 19:20, 14 August 2023
restrictions convex sets in topological vector spaces convex sets in 2 dimensions (including convex curves) convex sets in 3 dimensions (including convex surfaces)...
7 KB (685 words) - 05:24, 24 June 2025
Winding number (redirect from Index of the curve)
the curve, and can be computed as the total curvature divided by 2π. In polygons, the turning number is referred to as the polygon density. For convex polygons...
16 KB (2,292 words) - 13:53, 6 May 2025