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  2. Conical spiral - Wikipedia

    en.wikipedia.org/wiki/Conical_spiral

    Conical spiral with an archimedean spiral as floor projection Floor projection: Fermat's spiral Floor projection: logarithmic spiral Floor projection: hyperbolic spiral. In mathematics, a conical spiral, also known as a conical helix, [1] is a space curve on a right circular cone, whose floor projection is a plane spiral.

  3. Conical surface - Wikipedia

    en.wikipedia.org/wiki/Conical_surface

    A (general) conical surface is the unbounded surface formed by the union of all the straight lines that pass through a fixed point — the apex or vertex — and any point of some fixed space curve — the directrix — that does not contain the apex.

  4. File:Cone (geometry).svg - Wikipedia

    en.wikipedia.org/wiki/File:Cone_(geometry).svg

    Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.

  5. Conic section - Wikipedia

    en.wikipedia.org/wiki/Conic_section

    A conic is the curve obtained as the intersection of a plane, called the cutting plane, with the surface of a double cone (a cone with two nappes).It is usually assumed that the cone is a right circular cone for the purpose of easy description, but this is not required; any double cone with some circular cross-section will suffice.

  6. Recession cone - Wikipedia

    en.wikipedia.org/wiki/Recession_cone

    Download QR code; Print/export Download as PDF; Printable version; In other projects ... the recession cone of a set is a cone containing all vectors such ...

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  8. Cone - Wikipedia

    en.wikipedia.org/wiki/Cone

    In the case of lines, the cone extends infinitely far in both directions from the apex, in which case it is sometimes called a double cone. Either half of a double cone on one side of the apex is called a nappe. The axis of a cone is the straight line passing through the apex about which the base (and the whole cone) has a circular symmetry.

  9. Second-order cone programming - Wikipedia

    en.wikipedia.org/wiki/Second-order_cone_programming

    A second-order cone program (SOCP) is a convex optimization problem of the form ... Download as PDF; Printable version; In other projects Wikidata item; Appearance.