Natural logarithm: Difference between revisions
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imported>Doug Williamson m (Spacing 21/8/13) |
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''Options analysis''. | ''Options analysis''. | ||
The natural logarithm ln(x) is the logarithm to the base ‘e’, and mathematically the inverse function of the exponential function e<sup>x</sup>. | The natural logarithm ln(x) is the logarithm to the base ‘e’, and mathematically the inverse function of the exponential function e<sup>x</sup>. | ||
So for example ln(100) = 4.60517... | So for example ln(100) = 4.60517... | ||
And e<sup>4.60517...</sup> = 100 | And e<sup>4.60517...</sup> = 100 | ||
Also known for short as the 'natural log'. | Also known for short as the 'natural log'. | ||
Also sometimes known - loosely - as the 'Napierian logarithm'. | Also sometimes known - loosely - as the 'Napierian logarithm'. | ||
(Not to be confused with Lognormal, which is different.) | (Not to be confused with Lognormal, which is different.) | ||
== See also == | == See also == | ||
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* [[Napierian logarithm]] | * [[Napierian logarithm]] | ||
* [[Volatility]] | * [[Volatility]] | ||
Revision as of 15:54, 21 August 2013
Options analysis.
The natural logarithm ln(x) is the logarithm to the base ‘e’, and mathematically the inverse function of the exponential function ex.
So for example ln(100) = 4.60517...
And e4.60517... = 100
Also known for short as the 'natural log'.
Also sometimes known - loosely - as the 'Napierian logarithm'.
(Not to be confused with Lognormal, which is different.)
