math:exp

Returns e to the power of $arg.

exp($arg as xs:double) ➔ xs:double

Arguments
	$arg	xs:double	The input number
Result		xs:double

Details

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

Applies to: XPath 3.0, XSLT 3.0, XQuery 3.0 (if enabled in Saxon: requires Saxon-PE or Saxon-EE)

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:exp() in namespace http://exslt.org/math