\lceil \rceil - LaTeX Symbol

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⌈ ⌉

\lceil \rceil

The \lceil and \rceil commands are used to denote the ceiling function in mathematics, which rounds a number up to the nearest integer. These delimiters are often used in mathematical expressions to indicate that the value inside should be rounded up.

Examples

⌈ 2.3 ⌉ = 3

Rounding 2.3 up to the nearest integer using the ceiling function.

\lceil 2.3 \rceil = 3

⌈ - 1.7 ⌉ = - 1

Rounding -1.7 up to the nearest integer using the ceiling function.

\lceil -1.7 \rceil = -1

⌈ x ⌉

General notation for the ceiling of a variable x.

\lceil x \rceil