An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 222
Wronskian
  ورونسکی   
Wronski

Fr.: Wronskien   

The → determinant of order n associated with a set of n functions, in which the first row consists of the functions, the second row consists of the first → derivatives of the functions, the third row consists of their second derivatives, and so on. For example, If y1 and y2 are functions of x, the determinant W(y1,y2) = y1 . y2' - y1' . y2 is called the Wronskian of the given function.

Named after the Polish mathematician Józef Hoene-Wroński (1776-1853).

WZ Sagittae
   WZ نیم‌اسب   
WZ nimasp

Fr.: WZ Sagittae   

The prototype of a subclass of → dwarf novae with an extremely long outburst period, comparable with that of a → recurrent nova.

variable star designation; → Sagittarius.

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