Worlds of David Darling
Encyclopedia of Science
Home > Encyclopedia of Science

trident of Newton

trident of Newton
A curve investigated and named "trident" by Isaac Newton as part of his systematic study of cubic equations. René Descartes also studied it and it is sometimes called the parabola of Descartes, although it isn't a parabola. It has the Cartesian equation

xy = cx3 + dx2 + ex + f

Related category