Encyclopedia results for variable

1. Variable
   selfref For variables used in Wikipedia, see Help Magic words . A variable is an attribute property of a physical ... measurement analysis . The concept variable is used in all sciences and engineering for the mathematical ..
   
   
   
2. Instance variable
   In object oriented programming with Class computer science class es, an instance variable is a variable ... variable . A special type of instance member . Category Object oriented programming Category Variable ..
   
   
   
3. Antecedent variable
   An antecedent variable is a variable that occurs before the independent variable and the dependent variable ..., the variable relationship formula would look like this Antecedent variable interest in cause Independent ..
   
   
   
4. Unreferenced variable
   An unreferenced variable in the source code of a computer program is a variable that is defined but which ... and does not allocate storage for the variable, perhaps also issuing a warning . Some coding ..
   
   
   
5. Process variable
   A process variable is the current status of a process under control. An example of this would be the temperature of a furnace. The current temperature is called the process variable, while the desired ..
   
   
   
6. Class variable
   In object oriented programming with Class computer science class es, a class variable is a variable defined ... exist. The opposite of instance variable . A special type of class member . Category Object ..
   
   
   
7. Variable geometry
   Variable geometry may refer to Various different ways to alter the shape of an aircraft s wings in flight in order to alter their aerodynamic properties Variable sweep wing s or swing wings , variable ..
   
   
   
8. Slack variable
   In Linear programming a slack variable is a variable which is added to a constraint to turn the inequality ... in the augmented constraints, the slack variable cannot take on negative values, as the Simplex ..
   
   
   
9. Surplus variable
   In Linear programming a surplus variable is a variable which is subtracted from a constraint to turn ... variables in the augmented constraints, the surplus variable cannot take on negative values, as the Simplex ..
   
   
   
10. Singleton variable
    In computer programming a singleton variable is a variable that is referred to only once after it has been declared. Examples of where a variable might only be referenced once is as a dummy argument in a function ..
    
    
    
11. BY Draconis variable
    BY Draconis variables are main sequence variable star s of stellar classification late spectral types , usually K or M. The name comes from the archetype for this category of variable star system, BY Draconis ..
    
    
    
12. Observable variable
    In statistics , observable variables , as opposed to latent variable s, are those variable s that can be observed and directly measured. See also Observables in physics Observability in control theory ..
    
    
    
13. Exposure variable
    The exposure variable , in survival analysis reliability theory , is the discrete or continuous variable which differentiates distinct failure events. It is usually time , especially the time to failure ..
    
    
    
14. Variable Skink
    Variable Skink is the common name of two different species of skink Eumeces multivirgatus , found in North America. Mabuya varia , found in Africa. disambig ..
    
    
    
15. Controlling for a variable
    Controlling for a variable is the act of deliberately varying the experiment al conditions in order to take a single variable into account in the prediction of the response variable . Controlling tends ..
    
    
    
16. Moderator variable
    A moderator variable is, in general terms, a Qualitative research qualitative e.g., sex, race, class or Quantitative research quantitative e.g., level of reward variable that affects the direction and or strength ..
    
    
    
17. Variable star
    For the novel by Robert A. Heinlein and Spider Robinson Variable Star A variable star is a star that undergoes ... speaking, variable stars are of two types stars that are intrinsically variable, that is, their luminosity ..
    
    
    
18. Mediator variable
    Mergeto mediation statistics date May 2007 A mediator variable or mediating variable in statistics is a variable ... in which the path relating A to C is mediated by a third variable B . For example, a mediating variable ..
    
    
    
19. Temporary variable
    In computer programming , a temporary variable is a variable whose purpose is short lived, usually to hold ... programming scope . There is no formal definition of what makes a variable temporary , but it is an oftenâ ..
    
    
    
20. Variable cost
    Costs plus Variable Costs . Variable costs are expenses that change in proportion to the activity of a business. In other words, variable cost is the sum of marginal cost s. It can also be considered ..
    
    
    
21. Control variable
    Unreferenced date December 2007 For the notion of a controlled variable, see independent variable . The term control variable has different meanings, depending on the area in which it is used. Experimental ..
    
    
    
22. External variable
    context unreferenced date November 2007 An external variable Keyword computer programming keyword extern for C programming language C and C programming languages is a variable declaration keyword used ..
    
    
    
23. Prognostic variable
    A variable that a GCM predicts by integration of a physical equation , typically vorticity , divergence , temperature , surface pressure , and water vapor concentration. sci stub category Numerical climate ..
    
    
    
24. Automatic variable
    variable will have an undefined behavior undefined value when declared, so it is important to initialize it with a valid value before using it. The term local variable is usually synonymous with automatic ..
    
    
    
25. Variable capacitor
    A variable capacitor is a capacitor whose capacitance may be intentionally and repeatedly changed mechanically or electronically. Variable capacitors are often used in RLC circuit L C circuits to set the resonance ..