ultrametric
构词拆解
- ultra-
- Greater than normal quantity or importance, as in ultrasecret. · Beyond, on the far side of, as in ultraviolet.
词源说明
释义
形容词adjective
- 1(mathematics) Describing a metric whose triangle inequality has the stronger form d(x,z)≤max{d(x,y),d(y,z)}.
- 2Describing a phylogeny in which every tip is the same distance from the root.
名词noun
- 1A metric whose triangle inequality has the stronger form d(x,z)≤max{d(x,y),d(y,z)}.