closed form

短语

[计] 关闭形式

词形变化

closed forms 复数 closed forms

释义与例句

n.
  1. 1.

    A form (expression) that does not use limits, implicitly or explicitly.

    可数 不可数 数学

    There is no known representation of π in closed form: each expression for it includes an integral, an infinite series, or an infinite continued fraction.

  2. 2.

    A differential form whose exterior derivative is zero.

    可数 不可数 数学
  3. 3.

    A type of poetry with regular structure, such as meter or a rhyming pattern.

    可数 不可数 媒体
  4. 4.

    Trobar clus.

    可数 不可数 媒体
  5. 5.

    Used other than figuratively or idiomatically: see closed, form.

    可数 不可数

    If ω is a closed form, then dω=0.