# Variable

Variable may refer to:

• Variable (research), a logical set of attributes
• Variable (mathematics), a symbol that represents a quantity in a mathematical expression, as used in many sciences
• Variable (computer science), a symbolic name associated with a value and whose associated value may be changed
• Variable star, a type of star (as in astronomical object)
• Dependent and independent variables in statistics

### Other articles related to "variables, variable":

A Course Of Pure Mathematics - Contents
... REAL VARIABLES II ... FUNCTIONS OF REAL VARIABLES IV LIMITS OF FUNCTIONS OF A POSITIVE INTEGRAL VARIABLE V LIMITS OF FUNCTIONS OF A CONTINUOUS VARIABLE ... FUNCTIONS IX THE LOGARITHMIC, EXPONENTIAL AND CIRCULAR FUNCTIONS OF A REAL VARIABLE ...
Variable Seedeater
... The Variable Seedeater, Sporophila corvina, is a passerine bird which breeds from southern Mexico through Central America to the Chocó of north-western South America ... Even within the Variable Seedeater as presently defined, there are great variations in its plumage ...
Naming Convention (programming) - Metadata and Hybrid Conventions - Hungarian Notation
... encodes either the purpose ("Apps Hungarian") or the type ("Systems Hungarian") of a variable in its name ... For example, the prefix "sz" for the variable szName indicates that the variable is a zero-(that is null-)terminated string ...
Granger Causality - Method
... series is stationary, the test is performed using the level values of two (or more) variables ... If the variables are non stationary, then the test is done using first (or higher) differences ... Any particular lagged value of one of the variables is retained in the regression if (1) it is significant according to a t-test, and (2) it and the other lagged values of the variable ...
Simplex Algorithm - Pivot Operations
... The variable for this column is now a basic variable, replacing the variable which corresponded to the r-th column of the identity matrix before the operation ... In effect, the variable corresponding to the pivot column enters the set of basic variables and is called the entering variable, and the variable being replaced ... The tableau is still in canonical form but with the set of basic variables changed by one element ...

### Famous quotes containing the word variable:

Walked forth to ease my pain
Along the shore of silver streaming Thames,
Whose rutty bank, the which his river hems,
Was painted all with variable flowers,
Edmund Spenser (1552?–1599)

There is not so variable a thing in nature as a lady’s head-dress.