TeXipedia

check

Places a check (ˇ) accent mark above a letter or mathematical symbol to indicate specific phonetic or mathematical notation.

Overview

Serves as a diacritical mark commonly used in linguistics, phonetics, and mathematical notation to modify characters with a caron or háček accent.

  • Essential in typesetting texts containing Slavic languages like Czech and Slovak.
  • Appears in mathematical contexts to denote specific variations of variables or operators.
  • Often used in conjunction with vowels and consonants to represent distinct phonetic sounds.
  • Provides clearer distinction than similar accent marks due to its distinctive v-shaped appearance.

Examples

Marking a vowel with a check accent in linguistic notation.

Thewordcanbewrittenasboˇze.The word can be written as b\check{o}ze. 
The word can be written as b\check{o}ze.

Using check accent in mathematical variable notation.

Letxˇdenotetheestimatedvalueofx.Let \check{x} denote the estimated value of x. 
Let \check{x} denote the estimated value of x.

Multiple check accents in a mathematical expression.

Pˇ(θˇ)=Lˇ+Kˇ\check{P}(\check{\theta}) = \check{L} + \check{K} 
\check{P}(\check{\theta}) = \check{L} + \check{K}