change of variable
41Variable aléatoire réelle — Un exemple de variable aléatoire : la fonction qui associe au résultat du jet de deux dés la somme de leurs valeurs Une variable aléatoire réelle est une variable aléatoire à valeurs dans , ou une partie de &# …
42variable — var|i|a|ble1 [ veriəbl ] noun count ** something that can change and affect the result of a situation: All these variables can affect a student s performance. a. TECHNICAL in mathematics, a letter representing a number that can change depending… …
43variable — adj. & n. adj. 1 a that can be varied or adapted (a rod of variable length; the pressure is variable). b (of a gear) designed to give varying speeds. 2 apt to vary; not constant; unsteady (a variable mood; variable fortunes). 3 Math. (of a… …
44variable — 1. That which is inconstant, which can or does change, as contrasted with a constant. 2. Deviating from the type in structure, form, physiology, or behavior. [L. vario, to vary, change, differ] continuous v. a v. that may take on any …
45Variable (informatique) — Pour les articles homonymes, voir variable. En informatique, les variables associent un nom (le symbole) à une valeur ou un objet, elles font partie des identificateurs. La notion de variable est alors intimement liée au langage de programmation …
46Variable (mathématiques) — Pour les articles homonymes, voir variable. En mathématiques et en logique, une variable est un symbole utilisé pour marquer un rôle dans un prédicat, une formule ou un algorithme. Sommaire 1 Notion intuitive de variable …
47Variable-frequency oscillator — A variable frequency oscillator (VFO) in electronics is a oscillator with an oscillation frequency that can be electronically changed (hence, variable).cite book |title=The ARRL Handbook for Radio Amateurs, Sixty Eighth Edition |editor=Larry D.… …
48Variable cost — Decomposing Total Costs as Fixed Costs plus Variable Costs. Variable costs are expenses that change in proportion to the activity of a business.[1] Variable cost is the sum of marginal costs over all units produced. It can also be considered… …
49Variable-frequency drive — A variable frequency drive (VFD) is a system for controlling the rotational speed of an alternating current (AC) electric motor by controlling the frequency of the electrical power supplied to the motor.cite book | first=Sylvester J. |… …
50Variable-width encoding — This article is about the storage of text in computers. For the transmission of data across noisy channels, see variable length code. A variable width encoding is a type of character encoding scheme in which codes of differing lengths are used to …
