閉へい区く間かん

noun

closed interval

Mathematical term for an interval that includes its endpoints, often denoted with square brackets like [a, b]. Contrasts with 開区間 (open interval).

See also: 開区間

• 閉へい区く間かん0から1には0と1が含ふくまれる。

  The closed interval from 0 to 1 includes 0 and 1.

• この関かん数すうは閉へい区く間かんで連れん続ぞくである。

  This function is continuous on a closed interval.