unit circle


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unit circle

[′yü·nət ′sər·kəl]
(mathematics)
The locus of points in the plane which are precisely one unit from the origin.
References in periodicals archive ?
The cosines and sines of these angles are assigned to the x and y coordinates of the unit circle.
An optimal layout of radial visualization is usually found by defining a suitable order of data dimensions on the unit circle.
FAISALABAD -- 47th Annual Wapda Inter Unit Circle Kabaddi Tournament will commence from October 28 at FESCO Headquarters ground Abdullah Pur here.
Prediction filters are robustly stable if all the poles of the transfer functions (3) and (4) are inside the unit circle, i.
2 [17], the eigenvalues lie inside unit circle if and only if f(1) > 0, f(-1) > 0, and q(x*,y*) < 1.
In order to solve the circle formation problem, one should guarantee that all the eigenvalues of A; are located in the unit circle for i = 2, 3, .
The unit circle centred at the origin is superimposed, and passes through each point where A = B = 0; an immediate association with de Moivre's solution shown in Figure 1 is hence made.
Some calculus II students complain that: "As soon as I see a unit circle, or bizarre symbols such as sin [theta] or cos [theta], my mind freezes" and "I failed your calculus course because I hate trig, otherwise I had no problems with the calculus.
An important result in the study of Hermite interpolation problems on the unit circle T is the extension of the Hermite-Fejdr theorem (cf.
Each circle K [member of]K is a subset of S homeomorphic to the unit circle [S.
The singular points of a meromorphic function on the unit circle has been a popular topic in the study of value distribution.