Spread.NET 17 Formula Reference
Formula Functions / Functions H to L / IMLN
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    IMLN
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    This function returns the natural logarithm of a complex number.

    Syntax

    IMLN(complexnum)

    Arguments

    The complexnum argument is a complex number for which to return the natural logarithm.

    Remarks

    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.

    Data Types

    Accepts number and string data. Returns string data.

    Examples

    IMLN("2+5j")

    Version Available

    This function is available in product version 2.0 or later.

    See Also

    IMEXP | IMLOG10 | IMLOG2 | Engineering Functions | Complex Numbers in Engineering Functions