org.jscience.mathematics.analysis.expressions
Class NamedDataExpression

java.lang.Object
  org.jscience.mathematics.analysis.expressions.DataExpression
      org.jscience.mathematics.analysis.expressions.NamedDataExpression

All Implemented Interfaces:

java.io.Serializable, Expression, NumericalDifferentiable, JavaExpressible, Named, XMLExpressible

Direct Known Subclasses:

Parameter, Variable

public abstract class NamedDataExpression
extends DataExpression
implements NumericalDifferentiable, Named

Abstract class used as superclass for classes representing named data.

See Also:

Expression, DataExpression, Variable, Parameter, Serialized Form

Field Summary

protected java.lang.String

name The name the named DataExpression object should be characterized by.

Fields inherited from class org.jscience.mathematics.analysis.expressions.DataExpression

value

Constructor Summary

NamedDataExpression(java.lang.String name)
Creates a NamedDataExpression with a given name.

NamedDataExpression(java.lang.String name, double value)
Creates a NamedDataExpression with a given name and value.

Method Summary

Expression	diff(NamedDataExpression x) DOCUMENT ME!
java.lang.String	getName() DOCUMENT ME!
double	numDiff(int i) DOCUMENT ME!
double	numEval() DOCUMENT ME!
void	resetNumDiff(int i) DOCUMENT ME!
void	resetNumEval() DOCUMENT ME!
void	setIndex(int i) Set the index for this NamedDataExpression.
void	setName(java.lang.String name) Sets the name of the NamedDataExpression object.
void	setNumberOfIndependents(int n) DOCUMENT ME!
void	setValue(double x) The setValue method sets the value of the NamedDataExpression.
java.lang.String	toJava() DOCUMENT ME!
java.lang.String	toString() DOCUMENT ME!

Methods inherited from class org.jscience.mathematics.analysis.expressions.DataExpression

contains, eval, factor, getElements, isDifferentiable, isExpandable, isolate, isolate

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jscience.mathematics.analysis.expressions.Expression

optimize, replace, toTaylorMap, toXML

Field Detail

name

protected java.lang.String name

The name the named DataExpression object should be characterized by.

Constructor Detail

NamedDataExpression

public NamedDataExpression(java.lang.String name,
                           double value)

Creates a NamedDataExpression with a given name and value.

Parameters:

name - The name the NamedDataExpression object should be characterized by.

value - The value the NamedDataExpression object should have.

NamedDataExpression

public NamedDataExpression(java.lang.String name)

Creates a NamedDataExpression with a given name. The value is set to a default value of 0.

Parameters:

name - The name the NamedDataExpression object should be characterized by.

Method Detail

setValue

public void setValue(double x)

The setValue method sets the value of the NamedDataExpression.

Overrides:

setValue in class DataExpression

Parameters:

x - DOCUMENT ME!

See Also:

DataExpression.eval()

setName

public void setName(java.lang.String name)

Sets the name of the NamedDataExpression object.

Parameters:

name - The name the NamedDataExpression object should be characterized by.

Since:

1.0

See Also:

DataExpression.setValue(double)

getName

public java.lang.String getName()

DOCUMENT ME!

Specified by:

getName in interface Named

Returns:

DOCUMENT ME!

diff

public Expression diff(NamedDataExpression x)

DOCUMENT ME!

Specified by:

diff in interface Expression

Parameters:

x - DOCUMENT ME!

Returns:

DOCUMENT ME!

setIndex

public void setIndex(int i)

Set the index for this NamedDataExpression.

Specified by:

setIndex in interface NumericalDifferentiable

Parameters:

i - DOCUMENT ME!

numDiff

public double numDiff(int i)

DOCUMENT ME!

Specified by:

numDiff in interface NumericalDifferentiable

Parameters:

i - DOCUMENT ME!

Returns:

DOCUMENT ME!

numEval

public double numEval()

DOCUMENT ME!

Specified by:

numEval in interface NumericalDifferentiable

Returns:

DOCUMENT ME!

resetNumEval

public void resetNumEval()

DOCUMENT ME!

Specified by:

resetNumEval in interface NumericalDifferentiable

setNumberOfIndependents

public void setNumberOfIndependents(int n)

DOCUMENT ME!

Specified by:

setNumberOfIndependents in interface NumericalDifferentiable

Parameters:

n - DOCUMENT ME!

resetNumDiff

public void resetNumDiff(int i)

DOCUMENT ME!

Specified by:

resetNumDiff in interface NumericalDifferentiable

Parameters:

i - DOCUMENT ME!

toString

public java.lang.String toString()

DOCUMENT ME!

Overrides:

toString in class java.lang.Object

Returns:

DOCUMENT ME!

toJava

public java.lang.String toJava()

DOCUMENT ME!

Specified by:

toJava in interface Expression

Specified by:

toJava in interface JavaExpressible

Returns:

DOCUMENT ME!