Quadratrix
From Encyclopedia of Mathematics
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A plane curve used for the solution of the problem of the quadrature of the circle. For example: the dinostratus quadratrix, the cochleoid, the Tschirnhaus quadratrix:
$$y=a\sin\frac{\pi x}{2a},$$
and the Ozanam quadratrix:
$$x=2a\sin^2\frac{y}{2a}.$$
Comments
The dinostratus quadratrix is also called the Hippias quadratrix.
References
[a1] | Th.L. Heath, "A history of Greek mathematics" , 1–2 , Dover, reprint (1981) |
[a2] | M. Kline, "Mathematical thought from ancient to modern times" , Oxford Univ. Press (1972) |
[a3] | B.L. van der Waerden, "Science awakening" , 1 , Noordhoff (1975) (Translated from Dutch) |
[a4] | F. Gomes Teixeira, "Traité des courbes" , 1–3 , Chelsea, reprint (1971) |
How to Cite This Entry:
Quadratrix. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Quadratrix&oldid=33952
Quadratrix. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Quadratrix&oldid=33952
This article was adapted from an original article by A.B. Ivanov (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article