Νν
MATHEMATICS
- Frequency ν (in applications).
- Index/parameter in special functions.
PROBABILITY
- Degrees of freedom/shape parameter in some families.
STATISTICS
- Degrees of freedom (ν).
- Common in Student's t and chi-square distributions.
PRONUNCIATION
- Ancient Greek
- sound [n]
- Modern Greek
- νι [ni] · sound [n]
IN FORMULAS
- t ~ t(ν), ν = n − 1ν is the degrees of freedom of the t distribution.See it explained at morrisonkuhlsen.com →
HOW TO WRITE IT — click to copy
lowercase
uppercasesame as the Latin letter: LaTeX has no command for it
DON'T CONFUSE IT
- ν v υ γ ν (nu) is angular, with the right stroke taller; the Latin v is symmetrical; υ (upsilon) is round at the bottom; γ (gamma) drops below the line.
Note: notations vary between books/fields; these are the most common usages.