tractrix


Also found in: Encyclopedia, Wikipedia.

tractrix

(ˈtræktrɪks)
n
a curve along which a small object moves
Mentioned in ?
References in periodicals archive ?
The LE-5/2 drivers are mounted in tractrix horns designed by Dr.
One can isometrically embed the portion 0 < [absolute value of (u)] < 1/e of the hyperbolic punctured disk into Euclidean [R.sup.3] as the open half tractricoid (the surface obtained by revolving an open half of a tractrix along its asymptote [20]) E defined in cylindrical coordinates (r,[theta],[x.sub.3]) (where [x.sub.1] = r cos [theta] and [x.sub.2] = r sin [theta]) by the parametric equations:
(1991): 'The ocular harpsichord of Louis-Bertrand Castel', en Tractrix, 3.
* in a biaxial bogie when the rail flange touches the first block wheelset on the motion, the second block wheelset rolls on a tractrix trajectory (line of least resistance) in the direction of the guiding rail till establish contact with it.
Hooykaas, "Pascal: His Science and His Religion," Dutch Classics Tractrix 1 (1989): 115-39.
All Reference Premiere loudspeakers feature proprietary 90Ax90A Hybrid Tractrix Horn technology coupled with Linear Travel Suspension (LTS) titanium tweeters to produce the most effective release of sound waves for clean, natural listening experiences.
The system alerts the driver to dangers when turning corners and takes into account the tractrix curve to warn of the danger of colliding with stationary objects such as bollards, power poles, or traffic lights if the vehicle continues on its projected path.
"I have turned pieces for a seismograph, and I've built a tractrix horn (loudspeaker)," Monette recalls.
Appendix 1: Problem Scenario: Tractrix (Boyce & DiPrima, 2005)