WorksheetFunction.ImLn(Object) Method

Definition

Namespace:

Microsoft.Office.Interop.Excel

Assembly:

Microsoft.Office.Interop.Excel.dll

Returns the natural logarithm of a complex number in x + yi or x + yj text format.

public:
 System::String ^ ImLn(System::Object ^ Arg1);

public string ImLn (object Arg1);

Public Function ImLn (Arg1 As Object) As String

Parameters

Arg1

Object

Inumber - a complex number for which you want the natural logarithm.

Returns

String

Remarks

Use Complex(Object, Object, Object) to convert real and imaginary coefficients into a complex number.

The natural logarithm of a complex number is:

Figure 1: Natural logarithm of a complex number

where:

Figure 2: Equation