Definition:Logarithmic Spiral/Also presented as
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Logarithmic Spiral: Also presented as
The logarithmic spiral can also be presented in the forms:
| \(\ds \map \ln {\dfrac r a}\) | \(=\) | \(\ds \theta \cot b\) | ||||||||||||
| \(\ds r\) | \(=\) | \(\ds a e^{\theta \cot b}\) | ||||||||||||
| \(\ds \ln r\) | \(=\) | \(\ds a \theta\) |
Sources
- 1989: Ephraim J. Borowski and Jonathan M. Borwein: Dictionary of Mathematics ... (previous) ... (next): logarithmic spiral, logistic spiral or equiangular spiral
- 1989: Ephraim J. Borowski and Jonathan M. Borwein: Dictionary of Mathematics ... (previous) ... (next): spiral: 1.
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): spiral
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): spiral