isometry

n. 等距, 等容

词形变化

isometries 复数 isometries

释义与例句

n.
  1. 1.

    A function between metric spaces (or on a single metric space) having the property that the distance between two images is equal to the distance between their preimages.

    数学

    Isometry is to metric spaces what isomorphism is to groups.

词汇关系

名词

上位词 8

map function equality mapping elevation growth rate mathematical function single-valued function

词源

From New Latin isometria, from Ancient Greek ἰσομετρία (isometría), from ἰσο- (iso-) + -μετρία (-metría), from ἴσος (ísos, “equal”) and μέτρον (métron, “measurement”) + -ια (-ia, “-y”). Equivalent to iso- + -metry.

来源：wiktionary