| 释义 |
identity element
identity elementn. The element of a set of numbers that when combined with another number in a particular operation leaves that number unchanged. For example, 0 is the identity element under addition for the real numbers, since if a is any real number, a + 0 = 0 + a = a. Similarly, 1 is the identity element under multiplication for the real numbers, since a × 1 = 1 × a = a. Also called unity.Thesaurus| Noun | 1. | identity element - an operator that leaves unchanged the element on which it operates; "the identity under numerical multiplication is 1"identity operator, identityoperator - (mathematics) a symbol or function representing a mathematical operation |
identity element
identity element[ī′den·ə‚dē ‚el·ə·mənt] (mathematics) The unique element e of a group where g · e = e · g = g for every element g of the group. Also known as identity. LegalSeeIdentityFinancialSeeidentityidentity element
Related to identity element: Inverse elementSynonyms for identity elementnoun an operator that leaves unchanged the element on which it operatesSynonyms- identity operator
- identity
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