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.
Operation

Signals
Name | I/O | Type(s) | Function |
---|---|---|---|
X | I | FLOAT | Operand |
Y | O | FLOAT | Result |
Comments
The function sets the output Y to -3.4E38 if the value X is zero.