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| The Napierian logarithm, as first defined by ], is a function which can be defined in terms of the modern ] by: | The Napierian logarithm, as first defined by ], is a function which can be defined in terms of the modern ] by: | ||
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| <math>\mathrm{NapLog}(x) = \frac{\log \frac{10^7}{x}}{\log \frac{10^7}{10^7 - 1}}.</math> | <math>\mathrm{NapLog}(x) = \frac{\log \frac{10^7}{x}}{\log \frac{10^7}{10^7 - 1}}.</math> | ||
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| <math>\mathrm{NapLog}(x) = \log_{\frac{10^7}{10^7 - 1}} 10^7 - \log_{\frac{10^7}{10^7 - 1}} x.</math> | <math>\mathrm{NapLog}(x) = \log_{\frac{10^7}{10^7 - 1}} 10^7 - \log_{\frac{10^7}{10^7 - 1}} x.</math> | ||
| {{math-stub}} | {{math-stub}} | ||
Revision as of 20:58, 29 November 2007
The Napierian logarithm, as first defined by John Napier, is a function which can be defined in terms of the modern logarithm by:
(Being a quotient of logarithms, the base of the logarithm chosen is irrelevant.)
It is not a logarithm to any particular base in the modern sense of the term, however, it can be rewritten as:
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