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# spherical design

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Математика: план на сфере
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### См. также в других словарях:

• Spherical design — A spherical design, part of combinatorial design theory in mathematics, is a finite set of points on the d dimensional unit hypersphere Sd such that the average value of any polynomial f of degree t or less on the set equals the average value of… …   Wikipedia

• Spherical coordinate system — In mathematics, the spherical coordinate system is a coordinate system for representing geometric figures in three dimensions using three coordinates: the radial distance of a point from a fixed origin, the zenith angle from the positive z axis… …   Wikipedia

• Spherical aberration — shape of lenses and mirrors. This is an important effect, as spherical shapes are much easier to produce than aspherical and so most lenses have spherical shapes. Positive spherical aberration means peripheral rays are bent too much. Negative… …   Wikipedia

• spherical combustion chamber — The combustion chamber of an internal combustion engine equipped with reciprocating pistons is ideally very compact in design, i.e., without gaps, grooves, edges, etc.; the most favourable design would thus be a sphere but the valves of a four… …   Dictionary of automotive terms

• Combinatorial design — theory is the part of combinatorial mathematics that deals with the existence and construction of systems of finite sets whose intersections have specified numerical properties. For instance, a balanced incomplete block design (usually called for …   Wikipedia

• Nuclear weapon design — The first nuclear weapons, though large, cumbersome and inefficient, provided the basic design building blocks of all future weapons. Here the Gadget device is prepared for the first nuclear test: Trinity. Nuclear weapon designs are physical,… …   Wikipedia

• Mega Ampere Spherical Tokamak — Coordinates: 51°39′33″N 1°13′50″W﻿ / ﻿51.65917°N 1.23056°W﻿ / 51.65917; 1.23056 …   Wikipedia

• Teller-Ulam design — The Teller–Ulam design is a nuclear weapon design which is used in megaton range thermonuclear weapons, and is more colloquially referred to as the secret of the hydrogen bomb . It is named after two of its chief contributors, Hungarian born… …   Wikipedia

• Nose cone design — Given the problem of the aerodynamic design of the nose cone section of any vehicle or body meant to travel through a compressible fluid medium (such as a rocket or aircraft, missile or bullet), an important problem is the determination of the… …   Wikipedia

• National Spherical Torus Experiment — NSTX Type Spherical tokamak Operation date 1999– Major radius 0.85 m Minor Radius 0.68 m …   Wikipedia

• Teller–Ulam design — The basics of the Teller–Ulam design. Radiation from a primary fission bomb compresses a secondary section containing both fission and fusion fuel. The compressed secondary is heated from within by a second fission explosion. The Teller–Ulam… …   Wikipedia

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