نتایج جستجو برای: halley method
تعداد نتایج: 1630457 فیلتر نتایج به سال:
Comet P/Halley has been observed during its approach to perihelion at heliocentric distances R = I 1.0 AU and R = 8.2 AU. No extended coma is seen and limits can be placed on the fraction of the total light contributed by coma. The brightness of the comet varies on a short time scale. The variations may be due to transient activity or to rotation of the irregular nucleus. ,. 1984 Academic Pre',...
SET ADAPTIVE OBSERVERS FOR LPV SYSTEMS: APPLICATION TO FAULT DETECTION Denis Efimov, Tarek Raïssi, Ali Zolghadri Non-A project at INRIA LNE, Parc Scientifique de la Haute Borne, 40 avenue Halley, Bât.A Park Plaza, 59650 Villeneuve d'Ascq, France [email protected] Conservatoire National des Arts et Métiers, Département EASY, Cedric laetitia 292, Rue St-Martin, case 2D2P10, 75141 Paris Cedex ...
A new six order variant of Newton’s method has been developed by extending a third order method of Ozban [14] and its convergence properties have been discussed. The order of convergence of the proposed method is six. Starting with a suitably chosen x0, the method generates a sequence of iterates converging to the root. The convergence analysis is provided to establish its sixth order of conver...
A new variant of Newton's method based on contra harmonic mean has been developed and its convergence properties have been discussed. The order of convergence of the proposed method is six. Starting with a suitably chosen x0, the method generates a sequence of iterates converging to the root. The convergence analysis is provided to establish its sixth order of convergence. In terms of computati...
In probability and statistics, Simpson’s paradox is an apparent paradox in which a trend is present in different groups, but is reversed when the groups are combined. Joel Cohen (1986) has shown that continuously distributed lifetimes can never have a Simpson’s paradox. We investigate the same question for discrete random variables to see if a Simpson’s paradox is possible. With discrete random...
CHABLIS (Chemistry of the Antarctic Boundary Layer and the Interface with Snow) was a collaborative UK research project aimed at probing the detailed chemistry of the Antarctic boundary layer and the exchange of trace gases at the snow surface. The centre-piece to CHABLIS was the measurement campaign, conducted at the British Antarctic Survey station, Halley, in coastal Antarctica, from January...
by the decrease in incorporation of labelled methyl groups from enzymically synthesized S-adenosylmethionine into basic protein by spinal-cord protein methylase activity (Table 1). Electrophoresis of the labelled protein precipitate on acetic acidhrea-polyacrylamide gels (Deibler et al., 1972), followed by autoradiography of the gels, indicated that only the myelin basic protein was detectably ...
We present a detailed analysis of the spatial structure of the ionospheric plasma velocity in the nightside Fregion ionosphere, poleward of the open-closed magnetic field line boundary (OCB), i.e. in regions magnetically connected to the turbulent solar wind. We make use of spatially distributed measurements of the ionospheric plasma velocity made with the Halley Super Dual Auroral Radar Networ...
The interactions between the semi-annual oscillation (SAO), near-surface wind speed and cloudiness at seven Antarctic stations are described, as is how near-surface temperature is affected. A firmly established half-yearly wave, in both the mean annual cycle of wind speed and of cloudiness, was found at two stations with limited local disturbances: Halley and Faraday. Following a significant we...
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