Ln

(Engine-Level Function)

Description: Returns the natural logarithm (base e) of a value.
Returns: Numeric
Usage: Script or steady state.
Function Groups: Generic Math
Related to: Exp | Log | Pow
Format: Ln(X)
Parameters:  
X  
Required. Any numeric expression. The value must be strictly greater than 0 for the result to be valid.
Comments: This is the inverse function to Exp.

Example:

a = Exp(23);
b = Ln(a);

In this example, b will be equal to 23.