org.jscience.mathematics.analysis.expressions.symbolic
Class Cos

java.lang.Object
  org.jscience.mathematics.analysis.expressions.OperatorExpression
      org.jscience.mathematics.analysis.expressions.UnaryOperator
          org.jscience.mathematics.analysis.expressions.symbolic.Cos

All Implemented Interfaces:

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

public class Cos
extends UnaryOperator
implements NumericalDifferentiable

Class representing the cosine of an Expression object.
Example of use:

 Expression e1 = ...;
 Expression e2 = new Cos( e1 );
 




See Also:
UnaryOperator, 
Serialized Form






Field Summary

 
Fields inherited from class org.jscience.mathematics.analysis.expressions.UnaryOperator
deriv, evalValid, evalValue, valid
 
Fields inherited from class org.jscience.mathematics.analysis.expressions.OperatorExpression
firstOperand
 



Constructor Summary
Cos(Expression operand)



          Creates an object that represent the cosine of an Expression
 object.
 



Method Summary




 Expression
diff(NamedDataExpression x)



          DOCUMENT ME!



 boolean
equals(java.lang.Object e)



          DOCUMENT ME!



 double
eval()



          DOCUMENT ME!



 Expression
isolate(Expression f,
        Expression e)



          DOCUMENT ME!



 double
numDiff(int i)



          DOCUMENT ME!



 double
numEval()



          DOCUMENT ME!



 Expression
optimize()



          DOCUMENT ME!



 Expression
replace(Expression a,
        Expression b)



          DOCUMENT ME!



 java.lang.String
toJava()



          DOCUMENT ME!



 java.lang.String
toString()



          DOCUMENT ME!



 java.lang.String
toTaylorMap()



          DOCUMENT ME!



 java.lang.String
toXML()



          DOCUMENT ME!


 
Methods inherited from class org.jscience.mathematics.analysis.expressions.UnaryOperator
getElements, isDifferentiable, isExpandable, resetNumDiff, resetNumEval, setIndex, setNumberOfIndependents
 
Methods inherited from class org.jscience.mathematics.analysis.expressions.OperatorExpression
contains, factor, getFirstOperand, isolate, setFirstOperand
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface org.jscience.mathematics.analysis.expressions.NumericalDifferentiable
resetNumDiff, resetNumEval, setIndex, setNumberOfIndependents
 





Constructor Detail



Cos
public Cos(Expression operand)

Creates an object that represent the cosine of an Expression
 object.


Parameters:
operand - An Expression object.





Method Detail



eval
public double eval()

DOCUMENT ME!


Specified by:
eval in interface Expression



Returns:
DOCUMENT ME!





diff
public Expression diff(NamedDataExpression x)

DOCUMENT ME!


Specified by:
diff in interface Expression
Overrides:
diff in class UnaryOperator


Parameters:
x - DOCUMENT ME!
Returns:
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!





equals
public boolean equals(java.lang.Object e)

DOCUMENT ME!


Overrides:
equals in class java.lang.Object


Parameters:
e - DOCUMENT ME!
Returns:
DOCUMENT ME!





replace
public Expression replace(Expression a,
                          Expression b)

DOCUMENT ME!


Specified by:
replace in interface Expression


Parameters:
a - DOCUMENT ME!
b - DOCUMENT ME!
Returns:
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!





toTaylorMap
public java.lang.String toTaylorMap()

DOCUMENT ME!


Specified by:
toTaylorMap in interface Expression
Overrides:
toTaylorMap in class UnaryOperator



Returns:
DOCUMENT ME!





optimize
public Expression optimize()

DOCUMENT ME!


Specified by:
optimize in interface Expression



Returns:
DOCUMENT ME!





isolate
public Expression isolate(Expression f,
                          Expression e)

DOCUMENT ME!


Specified by:
isolate in interface Expression
Overrides:
isolate in class OperatorExpression


Parameters:
f - DOCUMENT ME!
e - DOCUMENT ME!
Returns:
DOCUMENT ME!





toXML
public java.lang.String toXML()

DOCUMENT ME!


Specified by:
toXML in interface Expression
Specified by:
toXML in interface XMLExpressible



Returns:
DOCUMENT ME!