词汇 | vertex |
释义 | vertex noun[ C ] uk /ˈvɜː.teks/ us /ˈvɝː.t̬eks/pluralverticesuk /ˈvɜː.te.siːz/ us /ˈvɝː.t̬e.siːz/vertexes mathematics specialized (in mathematics) the point where two lines meet to form an angle, or the point that is opposite the base of a shape: (数学里的)顶点,角顶 the vertex of a triangle/cone/pyramid三角形/圆锥体/棱锥体的顶点 tumdee/iStock/Getty Image Plus/GettyImages mathematics specialized the highest point of something顶点;最高点 Synonyms apex(SUCCESS)figurative peak(HIGHEST POINT) pinnacle(SUCCESS) the summit top(HIGHEST PART) zenith(MOST SUCCESSFUL POINT) Geometry: parts of geometrical shapes -sided angle axis axisymmetric bulky chord circumference conic corresponding sides hemisphere inclination node perimeter planar plane pole quadrant quadric symmetrical symmetrically You can also find related words, phrases, and synonyms in the topics: Edges & extremities of objects Higher and lower points of achievement vertex | American Dictionaryvertex noun[ C ] us/ˈvɜr·teks/pluralvertexes or verticesus/ˈvɜr·təˌsiz/ geometry the point where two lines meet to form an angle, or the point that is opposite the base of a shape Examples of vertexvertex The algorithm may introduce multiple edges, and by a vertex's 'degree' we mean the number of distinct neighbours. Let us first introduce the smallest cubic graphs, the only two on two vertices. The network is dynamic in the sense that the vertices join and leave the network. The network is robust under adversarial deletion of vertices and edges and actively reconnects itself. Note that if a pair of vertices is joined by two rainbow paths then they have the same length. By deleting vertices of small degree we can assume that the minimum degree is at least d/2. To play the game, some number of counters, or pebbles as we shall call them, are distributed over the vertices of the grid. In we have to take the pairs involving exceptional vertices into account. Instead of dealing with the end vertices of a chain we look at the vertices in the stable set. To reduce the number of colours required, we perform a preprocessing step of 3colouring the vertices in all short cycles in the graph. We say that two vertices of a graph are uniquely connected if there is precisely one arc that connects them. Moreover, it is easy to see that at most half of the vertices in the trail can be left turns. We generally think of a cycle as a cyclically ordered set of vertices, where the basepoint is unimportant. Note that a bridge is a block connecting two cut vertices. Nevertheless, for the sake of our construction, we treat them as disjoint, cloning the vertices as much as necessary. See all examples of vertex These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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