Formula Functions > Functions H to L > IMLN |
This function returns the natural logarithm of a complex number.
IMLN(complexnum)
The complexnum argument is a complex number for which to return the natural logarithm.
An error is returned if the complexnum argument is not in the form "x+yi" or "x+yj". For more information, refer to Complex Numbers in Engineering Functions.
Accepts number and string data. Returns string data.
IMLN("2+5j")
This function is available in product version 2.0 or later.
IMEXP | IMLOG10 | IMLOG2 | Engineering Functions | Complex Numbers in Engineering Functions