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radius of circle

См. также в других словарях:

  • Circle-ellipse problem — The circle ellipse problem in software development (sometimes known as the square rectangle problem) illustrates a number of pitfalls which can arise when using subtype polymorphism in object modelling. The issues are most commonly encountered… …   Wikipedia

  • Radius — For other uses, see Radius (disambiguation). Circle illustration In classical geometry, a radius of a circle or sphere is any line segment from its center to its perimeter. By extension, the radius of a circle or sphere is the length of any such… …   Wikipedia

  • Circle of confusion — For the closely related topic in microscopy, see Point spread function. In optics, a circle of confusion is an optical spot caused by a cone of light rays from a lens not coming to a perfect focus when imaging a point source. It is also known as… …   Wikipedia

  • Radius — Ra di*us (r[=a] d[i^]*[u^]s), n.; pl. L. {Radii} (r[=a] d[i^]*[imac]); E. {Radiuses} (r[=a] d[i^]*[u^]s*[e^]z). [L., a staff, rod, spoke of a wheel, radius, ray. See {Ray} a divergent line.] 1. (Geom.) A right line drawn or extending from the… …   The Collaborative International Dictionary of English

  • Radius bar — Radius Ra di*us (r[=a] d[i^]*[u^]s), n.; pl. L. {Radii} (r[=a] d[i^]*[imac]); E. {Radiuses} (r[=a] d[i^]*[u^]s*[e^]z). [L., a staff, rod, spoke of a wheel, radius, ray. See {Ray} a divergent line.] 1. (Geom.) A right line drawn or extending from… …   The Collaborative International Dictionary of English

  • Radius of curvature — Radius Ra di*us (r[=a] d[i^]*[u^]s), n.; pl. L. {Radii} (r[=a] d[i^]*[imac]); E. {Radiuses} (r[=a] d[i^]*[u^]s*[e^]z). [L., a staff, rod, spoke of a wheel, radius, ray. See {Ray} a divergent line.] 1. (Geom.) A right line drawn or extending from… …   The Collaborative International Dictionary of English

  • radius — [rā′dē əs] n. pl. radii [rā′dēī΄] or radiuses [L, rod, spoke (of a wheel), hence radius, ray (of light), ? akin to radix,ROOT1] 1. a raylike or radial part, as a spoke of a wheel 2. a) any straight line extending from the center to the periphery… …   English World dictionary

  • Radius of curvature — may refer to: Radius of curvature (mathematics) Radius of curvature (optics) Radius of curvature (applications), in geodesy and materials science The reciprocal of the curvature, in differential geometry Radius, for a sphere (lingo) The radius of …   Wikipedia

  • Circle packing in a circle — is a two dimensional packing problem with the objective of packing unit circles into the smallest possible larger circle. Minimum solutions:[1] Number of unit circles Enclosing circle radius Density Optimality Diagram 1 1 1.0000 Trivially optimal …   Wikipedia

  • Circle packing in an equilateral triangle — is a packing problem in discrete mathematics where the objective is to pack n unit circles into the smallest possible equilateral triangle. Optimal solutions are known for n < 13 and for any triangular number of circles, and… …   Wikipedia

  • radius — ► NOUN (pl. radii or radiuses) 1) a straight line from the centre to the circumference of a circle or sphere. 2) a radial line from the focus to any point of a curve. 3) a specified distance from a centre in all directions: pubs within a two mile …   English terms dictionary

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