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Functions and operators\inf

\infCommand

Used for infimum notation in analysis, often with subscripts indicating the domain or index set.

\inf
Available in
base
Kind
prefix
Allowed mode
math
Frequency
0.66% of corpus formulasrank 56 of 263
Commonality
medium
Renderer support
MathJaxKaTeXXeTeX
base
About the test scope

Syntax#

\inf

Takes no arguments. Reading argspecs

Common tasks#

How to write an infimum#

\inf_{x\in S} f(x)

How to write the infimum of a set#

\inf A

How to contrast infimum with minimum#

\inf exists for any nonempty bounded-below set; \min needs an attained value.

\inf S \le \min S

Examples#

\inf_{x > 0}

In TeXForm#

TeXForm parses this entry as prefix syntax; the package determines its argument specification.

Equivalent forms#

  • \operatorname*{inf}exact

    Using amsmath

See also#

Test cases#

base
InputCaseMathJaxKaTeXXeTeX
\infPositive · baselinePassPassPass
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