- See also
- References
The epispiral is a plane curve with polar equation
.
There are n sections if n is odd and 2n if n is even.
It is the polar or circle inversion of the rose curve.
In astronomy epispiral is related to the equations that explain planets' orbits.
See also
- Logarithmic spiral
- Rose (mathematics)
References
- {{cite book | author=J. Dennis Lawrence | title=A catalog of special plane curves | publisher=Dover Publications | year=1972 | isbn=0-486-60288-5 | page=192 }}
- https://www.mathcurve.com/courbes2d.gb/epi/epi.shtml
1 : Curves
- Nycteus falsus
- Nycteus infumatus
- Nycteus oviformis
- Nycteus punctulatus
- Nycteus testaceus
- Nycteïs
- Nyctia
- Nyctia halterata
- Nyctia lunubris
- Nyctibates corrugatus
- Nyctibatrachinae
- Nyctibatrachus pulivijayani
- Nyctibiiformes
- Nyctimene agriloides
- Nyctimene ochraceovittata
- Nyctimene ochraceovittata var. extrema
- Nyctimene ochraceovittata var. intermedia
- Nyctimene subsericea
- Nyctimene testaceovittata
- Nyctimene tristis
- Nyctimene varicornis
- Nyctimene vittata
- Nyctimeninus ochraceovittata
- Nyctimenius chiangi
- Nyctimenius mamutensis