Documentation

LN

Function name

LN

ST call

PROGRAM LN_DEMO
VAR
REAL1,REAL2: REAL;
END_VAR
REAL2:= LN(REAL1);
END_PROGRAM

Description

Returns the natural logarithm value.

Inputs

Input Type Description
IN ANY_REAL Input value

Outputs

Output Type Description
=> ANY_REAL Output value

Application example