inverse

FREQ #35331

a. 倒转的, 相反的 n. 反向, 反面 [计] 反白, 反色

发音

US /ɪnˈvɝs/
CA
US /ˈɪnvɝs/

词形变化

inverses 复数 inverses inversed inverses 三单 inversing inversing 现在分词 inversed 过去式 inversed 过去分词

释义与例句

n.
  1. 1.

    An inverted state: a state in which something has been turned (properly) upside down or (loosely) inside out or backwards.

    Cowgirl is the inverse of missionary.

    321 is the inverse of 123.

  2. 2.

    The result of an inversion

    The reverse of any procedure or process.

    Uninstalling is the inverse of installation.

  3. 3.

    The result of an inversion

    A ratio etc. in which the antecedents and consequents are switched.

    数学

    The inverse of a:b is b:a.

  4. 4.

    The result of an inversion

    The result of a circle inversion; the set of all such points; the curve described by such a set.

    数学

    The inverse P‘ of a point P is the point on a ray from the center O through P such that OP × OP‘ = r² or the set of all such points.

  5. 5.

    The result of an inversion

    The non-truth-preserving proposition constructed by negating both the premise and conclusion of an initially given proposition.

    否命题

    数学 哲学

    "Anything that isn't a dog doesn't go to heaven" is the inverse of "All dogs go to heaven." More generally, ¬ mathsf p→¬ mathsf q is the inverse of mathsf p→ mathsf q and is equivalent to the converse proposition mathsf q→ mathsf p.

  6. 6.

    A second element which negates a first; in a binary operation, the element for which the binary operation—when applied to both it and an initially given element—yields the operation's identity element, specifically:

    The negative of a given number.

    数学

    The additive inverse of x is -x, as x-x=0, as 0 is the additive identity element.

  7. 7.

    A second element which negates a first; in a binary operation, the element for which the binary operation—when applied to both it and an initially given element—yields the operation's identity element, specifically:

    One divided by a given number.

    数学

    The multiplicative inverse of x is x⁻¹, as x×x⁻¹=1, as 1 the multiplicative identity element.

  8. 8.

    A second element which negates a first; in a binary operation, the element for which the binary operation—when applied to both it and an initially given element—yields the operation's identity element, specifically:

    A second function which, when combined with the initially given function, yields as its output any term inputted into the first function.

    数学

    The compositional inverse of a function f is f⁻¹, as ff⁻¹= mathit I, as mathit I is the identity function. That is, ∀x,f(f⁻¹(x))= mathit I(x)=x.

  9. 9.

    A morphism which is both a left inverse and a right inverse.

    计算机 工程 数学
  10. 10.

    The winning of the coup in a game of rouge et noir by a card of a color different from that first dealt; the area of the table reserved for bets upon such an outcome.

    游戏
  11. 11.

    A grammatical number marking that indicates the opposite grammatical number (or numbers) of the default number specification of noun class.

    语言学
v.
  1. 1.

    To compute the bearing and distance between two points.

adj.
  1. 1.

    Opposite in effect, nature or order.

    逆向

  2. 2.

    Reverse, opposite in order.

    逆向

  3. 3.

    Inverted; having a position or mode of attachment the reverse of that which is usual.

    生物 植物学
  4. 4.

    Having the properties of an inverse; said with reference to any two operations, which, when both are performed in succession upon any quantity, reproduce that quantity.

    数学

    Multiplication is the inverse operation to division.

  5. 5.

    That has the property of being an inverse (the result of a circle inversion of a given point or geometrical figure); that is constructed by circle inversion.

    数学

    A circle inversion maps a given generalized circle to its inverse generalized circle.

  6. 6.

    Whose every element has an inverse (morphism which is both a left inverse and a right inverse).

    计算机 工程 数学

词汇关系

相关短语

词源

Recorded since 1440, from Latin inversus, the past participle of invertere (“to invert”), itself from in- (“against, in”) + vertere (“to turn”).

来源:wiktionary