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Log Base N Function
Math Trig Complex Class

Public Function LogBaseN( _
      ByVal vX As Variant _
    , ByVal vY As Variant _
    ) As Variant

"Logarithm Base N"
Log base Y of X for a real or complex number.

Examples: 
    LogBaseN(3, 10) = 0.477121254719662
    LogBaseN(3, e) = 1.09861228866811
    LogBaseN("2.3|-4.5", 30) = "0.476338989920794|-0.322915511225372"
    LogBaseN("2.3|-4.5", "2|3") = "0.382423731894415|-1.1494519611595"
See also: 
    Logarithm Function
    Log10 Function
    LogN Function
    Log Function (Visual Basic)
vX: Number whose logarithm is returned. Function returns Null if vX is Null or cannot be fixed up to a real or complex number (as defined by the ComplexStringToReals function). Complex numbers are represented within strings as "R|I" where R is the real part and I is the imaginary part.
vY: The base of the logarithm. Function returns Null if vY is Null or cannot be fixed up to a real or complex number.
Definition: 
    Logarithm(X) / Logarithm(Y)

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