Package edu.cmu.tetrad.calculator.expression

Class VariableExpression

java.lang.Object

edu.cmu.tetrad.calculator.expression.VariableExpression

All Implemented Interfaces:

Expression, TetradSerializable, Serializable

public class VariableExpression
extends Object
implements Expression

An Expression for a variable.

Author:

Tyler Gibson

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
VariableExpression(String variable)

Method Summary

Modifier and Type	Method	Description
double	evaluate(Context context)	Evaluates the expression using the given context
Double	evaluateGeneric(Context context)
List<Expression>	getExpressions()
org.apache.commons.math3.distribution.IntegerDistribution	getIntegerDistribution(Context context)
ExpressionDescriptor.Position	getPosition()
org.apache.commons.math3.distribution.RealDistribution	getRealDistribution(Context context)
String	getToken()
String	getVariable()
static VariableExpression	serializableInstance()
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

VariableExpression

public VariableExpression(String variable)

Method Details

serializableInstance

public static VariableExpression serializableInstance()

getVariable

public String getVariable()

Returns:

the variable.

evaluateGeneric

public Double evaluateGeneric(Context context)

evaluate

public double evaluate(Context context)

Description copied from interface: Expression

Evaluates the expression using the given context

Specified by:

evaluate in interface Expression

getToken

public String getToken()

Specified by:

getToken in interface Expression

Returns:

the token for this expression=="+".

getPosition

public ExpressionDescriptor.Position getPosition()

Specified by:

getPosition in interface Expression

Returns:

the position, infix or not.

getExpressions

public List<Expression> getExpressions()

Specified by:

getExpressions in interface Expression

Returns:

the sub expressions of this expression.

toString

public String toString()

Overrides:

toString in class Object

getRealDistribution

public org.apache.commons.math3.distribution.RealDistribution getRealDistribution(Context context)

Specified by:

getRealDistribution in interface Expression

getIntegerDistribution

public org.apache.commons.math3.distribution.IntegerDistribution getIntegerDistribution(Context context)

Specified by:

getIntegerDistribution in interface Expression