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logarithm (Definition)
Logarithm

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"logarithm" is owned by rmilson. [ full author list (4) ]
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See Also: entropy, complex logarithm

Also defines:  base, natural logarithm, ln, log

Attachments:
approximation of the log function (Derivation) by Mathprof
Briggsian logarithms (Topic) by pahio
rigorous definition of the logarithm (Derivation) by rspuzio
table of natural logarithms (Data Structure) by PrimeFan
examples of logarithms simplifying calculations (Example) by PrimeFan
logarithmic scale (Definition) by pahio
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Cross-references: theory, information, function, Eulerian number, applications, computers, calculators, useful, properties, addition, multiplication, additive function, integers, positive, identities, algebraic, number, operation, property of the exponential, monotonicity, exponential, relation, real numbers
There are 73 references to this entry.

This is version 18 of logarithm, born on 2002-02-21, modified 2007-12-27.
Object id is 2367, canonical name is Logarithm.
Accessed 47098 times total.

Classification:
AMS MSC26-00 (Real functions :: General reference works )
 26A09 (Real functions :: Functions of one variable :: Elementary functions)
 26A06 (Real functions :: Functions of one variable :: One-variable calculus)

Pending Errata and Addenda
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Values of the logarithm base by kfgauss70 on 2007-11-17 20:25:08
Some authors state that the case x=1 is to be excluded from the logarithm function domain.
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