exslt-math:log

Returns the natural logarithm of $arg.

log($arg as xs:double) ➔ xs:double

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

Namespace

http://exslt.org/math

Links to specifications

EXSLT Math Module

Notes on the Saxon implementation

Saxon also implements the function math:log() in namespace http://www.w3.org/2005/xpath-functions/math.