elasticsearch/docs/reference/esql/functions/tanh.asciidoc

[discrete]
[[esql-tanh]]
=== `TANH`

*Syntax*

[.text-center]
image::esql/functions/signature/tanh.svg[Embedded,opts=inline]

*Parameters*

`n`::
Numeric expression. If `null`, the function returns `null`.

*Description*

{wikipedia}/Hyperbolic_functions[Tangent] hyperbolic function.

include::types/tanh.asciidoc[]

*Example*

[source.merge.styled,esql]
----
include::{esql-specs}/floats.csv-spec[tag=tanh]
----
[%header.monospaced.styled,format=dsv,separator=|]
|===
include::{esql-specs}/floats.csv-spec[tag=tanh-result]
|===