Search results
- Dictionaryconcavity/kɒnˈkavɪti/
noun
- 1. the state or quality of being concave: "the concavity of her stomach"
Powered by Oxford Dictionaries
Sep 26, 2024 · A convex set is a subset of a vector space that has a specific property: for any two points within the set, the line segment connecting them lies entirely within the set. In simple words, we can explain the convex set as a shape. Imagine a shape or a group of points.
Sep 25, 2024 · For every function, there exists a set of inputs called the domain and a set of outputs called the codomain. Mathematically, a function is defined as a map that associates each element in the domain (an argument of the function) with exactly one element in the codomain.
Sep 24, 2024 · A concave mirror is a spherical mirror with a reflecting surface curved inwards. In concave mirrors, incoming light beams are reflected and focused (parallel) to a point called the focus point. Different kinds of images are produced depending on the distance between an object and the reflecting surface.
Sep 25, 2024 · A concave polygon is a polygon with one or more interior angles measuring more than 1 8 0 ∘. A straight line drawn through a concave polygon will intersect its sides more than twice. Let us start with a simple example. Example 1: Identifying a Polygon as Concave or Convex. Is this polygon concave or convex? Answer.
5 days ago · In general, the computation of the metric projection onto a nonempty closed and convex subset is expensive or even impossible because there is no explicit formula. In this sense, the execution efficiency of step size methods (1.3) – (1.6) may be seriously affected, since the evaluations of projections P C and P Q are involved therein.
6 days ago · Solving convex semi-infinite programming (SIP) problems is challenging when the separation problem, namely, the problem of finding the most violated constraint, is computationally hard. We propose to tackle this difficulty by solving the separation problem approximately, i.e., by using an inexact oracle. Our focus lies in two algorithms for SIP, namely the cutting-planes (CP) and the inner-outer approximation (IOA) algorithms. We prove the CP convergence rate to be in O(1/k), where k is the ...
Sep 24, 2024 · Define concave lens- A lens is an optical transmissive device that, through the process of refraction, concentrates or disperses a beam of light. A basic lens is made out of a single piece of material that is clear in nature.
