Folium of Descartes - Relationship To The Trisectrix of MacLaurin

Relationship To The Trisectrix of MacLaurin

The folium of Descartes is related to the trisectrix of Maclaurin by affine transformation. To see this, start with the equation

,

and change variables to find the equation in a coordinate system rotated 45 degrees. This amounts to setting . In the plane the equation is

.

If we stretch the curve in the direction by a factor of this becomes

which is the equation of the trisectrix of Maclaurin.

Read more about this topic:  Folium Of Descartes

Famous quotes containing the words relationship to and/or relationship:

    Poetry is above all a concentration of the power of language, which is the power of our ultimate relationship to everything in the universe.
    Adrienne Rich (b. 1929)

    Christianity as an organized religion has not always had a harmonious relationship with the family. Unlike Judaism, it kept almost no rituals that took place in private homes. The esteem that monasticism and priestly celibacy enjoyed implied a denigration of marriage and parenthood.
    Beatrice Gottlieb, U.S. historian. The Family in the Western World from the Black Death to the Industrial Age, ch. 12, Oxford University Press (1993)