Natural Logarithm

This function block computes the natural logarithm, i.e. the logarithm to the base e (Euler's number), from the absolute value of the input signal. The result is presented at the output Y.



Name I/O Type(s) Function
X I FLOAT Operand
Y O FLOAT Result


The function sets the output Y to -3.4E38 if the value X is zero.