请输入您要查询的字词:

 

单词 CubeOfANumber
释义

cube of a number


The cube of a number x is the third power (http://planetmath.org/GeneralAssociativity) x3 of x.  Similarly one may speak of the cube of an element x in any semigroup with the operationMathworldPlanetmath denoted multiplicatively (cf. general associativity).

The volume of a cube (i.e. regularPlanetmathPlanetmathPlanetmath (http://planetmath.org/RegularPolyhedron) hexahedron (http://planetmath.org/Hexahedron)) with a is a3; hence the name.

The cube functionxx3  from to is injectivePlanetmathPlanetmath, but not as a mapping from to ; one has  x3=y3  always when  xy=-1±i32,  the third root of unityMathworldPlanetmath.

Titlecube of a number
Canonical nameCubeOfANumber
Date of creation2013-03-22 15:07:13
Last modified on2013-03-22 15:07:13
Ownerpahio (2872)
Last modified bypahio (2872)
Numerical id15
Authorpahio (2872)
Entry typeDefinition
Classificationmsc 20-00
Synonymcube
Synonymthird power
Related topicSquareOfANumber
Related topicPowerFunction
Related topicCubeRoot
Related topicCubanPrime
Related topicSemicubicalParabola
Definescube function
随便看

 

数学辞典收录了18232条数学词条,基本涵盖了常用数学知识及数学英语单词词组的翻译及用法,是数学学习的有利工具。

 

Copyright © 2000-2023 Newdu.com.com All Rights Reserved
更新时间:2025/5/4 10:00:31