math:pow

Returns $x raised to the power of $y.

pow($x as xs:double?, $y as xs:numeric) ➔ xs:double?

Arguments

 

$x

xs:double?

The input number

 

$y

xs:numeric

The power to which the number is to be raised

Result

xs:double?

Namespace

http://www.w3.org/2005/xpath-functions/math

Links to W3C specifications

XPath 3.1 Functions and Operators

XPath 4.0 Functions and Operators

Saxon availability

Available in XPath 3.0, XSLT 3.0, XQuery 3.0, and later versions. From Saxon 9.6, available in all editions. Available for all platforms.

Notes on the Saxon implementation

Implemented since Saxon 9.4; available whether or not XPath 3.0 is enabled.

Saxon also (for compatibility) implements the function math:power() in namespace http://exslt.org/math.