tree matrix
Смотреть что такое "tree matrix" в других словарях:
Tree decomposition — A graph with eight vertices, and a tree decomposition of it onto a tree with six nodes. Each graph edge connects two vertices that are listed together at some tree node, and each graph vertex is listed at the nodes of a contiguous subtree of the… … Wikipedia
Tree (graph theory) — Trees A labeled tree with 6 vertices and 5 edges Vertices v Edges v 1 Chromatic number … Wikipedia
tree-tip pit — The small pit or depression resulting from an area vacated by the root plate (ball) resulting from tree tip ( tree throw ). Such pits are commonly adjacent to small mounds composed of the displaced material. Subsequent infilling commonly… … Glossary of landform and geologic terms
Spanning tree (mathematics) — In the mathematical field of graph theory, a spanning tree T of a connected, undirected graph G is a tree composed of all the vertices and some (or perhaps all) of the edges of G . Informally, a spanning tree of G is a selection of edges of G… … Wikipedia
Substitution matrix — In evolutionary biology, a substitution matrix describes the rate at which one character in a sequence changes to other character states over time. Substitution matrices are usually seen in the context of amino acid or DNA sequence alignments,… … Wikipedia
Density matrix renormalization group — The density matrix renormalization group (DMRG) is a numerical variational technique devised to obtain the low energy physics of quantum many body systems with high accuracy. It was invented in 1992 by Steven R. White and it is nowadays the most… … Wikipedia
Similarity matrix — A similarity matrix is a matrix of scores which express the similarity between two data points. Similarity matrices are strongly related to their counterparts, distance matrices and substitution matrices.Similarity of Matrix Representations is… … Wikipedia
Phylogenetic tree — ptree redirects here. For Patricia tree, see Radix tree … Wikipedia
The Tree of Life — Filmdaten Deutscher Titel The Tree of Life Produktionsland Vereinigte Staaten … Deutsch Wikipedia
PQ tree — A PQ tree is a tree based data structure that represents a family of permutations on a set of elements, discovered and named by Kellogg S. Booth and George S. Lueker in 1976. It is a rooted, labeled tree, in which each element is represented by… … Wikipedia
List of Happy Tree Friends TV episodes (season 1) — Below is a list of all Happy Tree Friends television episodes from the first season. Episode list # Title Original airdate 1.1 The Wrong Side of the Tracks September 25, 2006 (2006 09 25) The Happy … Wikipedia
