quadratic curve

quadratic curve
Квадратичная кривая (Quadratic curve)
    Математическое представление кривой, использующее квадратичные полиномы. В TrueType [формат цифровых шрифтов] используются квадратичные кривые Безье, а кубические кривые применяются в языке PostScript [формат цифровых шрифтов], включая шрифты формата type 1 [формат цифровых шрифтов].

Шрифтовая терминология. 2013.

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  • Quadratic sieve — The quadratic sieve algorithm (QS) is a modern integer factorization algorithm and, in practice, the second fastest method known (after the general number field sieve). It is still the fastest for integers under 100 decimal digits or so, and is… …   Wikipedia

  • quadratic equation — Math. an equation containing a single variable of degree 2. Its general form is ax2 + bx + c = 0, where x is the variable and a, b, and c are constants (a non zero). [1680 90] * * * Algebraic equation of particular importance in optimization. A… …   Universalium

  • Algebraic curve — In algebraic geometry, an algebraic curve is an algebraic variety of dimension one. The theory of these curves in general was quite fully developed in the nineteenth century, after many particular examples had been considered, starting with… …   Wikipedia

  • Bézier curve — Cubic Bézier curve A Bézier curve is a parametric curve frequently used in computer graphics and related fields. Generalizations of Bézier curves to higher dimensions are called Bézier surfaces, of which the Bézier triangle is a special case. In… …   Wikipedia

  • Lenstra elliptic curve factorization — The Lenstra elliptic curve factorization or the elliptic curve factorization method (ECM) is a fast, sub exponential running time algorithm for integer factorization which employs elliptic curves. Technically, the ECM is classified as a… …   Wikipedia

  • Hyperelliptic curve — In algebraic geometry, a hyperelliptic curve (over the complex numbers) is an algebraic curve given by an equation of the form:y^2 = f(x)where f(x) is a polynomial of degree n > 4 with n distinct roots. A hyperelliptic function is a function from …   Wikipedia

  • Cubic plane curve — A selection of cubic curves. See information page for details. Cubic curve redirects here. For information on polynomial functions of degree 3, see Cubic function. In mathematics, a cubic plane curve is a plane algebraic curve C defined by a… …   Wikipedia

  • Z-order curve — Not to be confused with Z curve or Z order. Four iterations of the Z order curve …   Wikipedia

  • Cruciform curve — The cruciform curve, or cross curve is a quartic plane curve given by the equation Cruciform with parameters (b,a) being (1,1) in red; (2,2) in green; (3,3) in blue …   Wikipedia

  • Z-order (curve) — Z order, or Morton order, first proposed in 1966 by G. M. Morton, [citation|first=G. M.|last=Morton|title=A computer Oriented Geodetic Data Base; and a New Technique in File Sequencing|series=Technical Report|publisher=IBM Ltd.|location=Ottawa,… …   Wikipedia


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