org.jscience.mathematics.analysis.expressions.symbolic
Class Atan2

java.lang.Object
  org.jscience.mathematics.analysis.expressions.OperatorExpression
      org.jscience.mathematics.analysis.expressions.BinaryOperator
          org.jscience.mathematics.analysis.expressions.symbolic.Atan2

All Implemented Interfaces:

java.io.Serializable, Expression, JavaExpressible, XMLExpressible

public class Atan2
extends BinaryOperator

Class representing the inverse tangent function of two Expression objects.
Example of use:

 Expression x = ...;
 Expression y = ...;
 Expression e = new Atan2( y, x );
 




See Also:
BinaryOperator, 
Serialized Form






Field Summary

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



Constructor Summary
Atan2(Expression operand1,
      Expression operand2)



          Creates a Atan2 object that represents the inverse tangent function of two
 Expression objects.
 



Method Summary




 Expression
diff(NamedDataExpression x)



          DOCUMENT ME!



 boolean
equals(java.lang.Object e)



          DOCUMENT ME!



 double
eval()



          DOCUMENT ME!



 boolean
isExpandable()



          DOCUMENT ME!



 Expression
isolate(Expression f,
        Expression e)



          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
toXML()



          DOCUMENT ME!


 
Methods inherited from class org.jscience.mathematics.analysis.expressions.BinaryOperator
getElements, getSecondOperand, isDifferentiable, resetNumDiff, resetNumEval, setIndex, setNumberOfIndependents, setSecondOperand, toTaylorMap
 
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
 





Constructor Detail



Atan2
public Atan2(Expression operand1,
             Expression operand2)

Creates a Atan2 object that represents the inverse tangent function of two
 Expression objects.


Parameters:
operand1 - An Expression object.
operand2 - An Expression object.





Method Detail



eval
public double eval()

DOCUMENT ME!



Returns:
DOCUMENT ME!





diff
public Expression diff(NamedDataExpression x)

DOCUMENT ME!


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


Parameters:
x - DOCUMENT ME!
Returns:
DOCUMENT ME!





replace
public Expression replace(Expression a,
                          Expression b)

DOCUMENT ME!


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





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!



Returns:
DOCUMENT ME!





isExpandable
public boolean isExpandable()

DOCUMENT ME!


Specified by:
isExpandable in interface Expression
Overrides:
isExpandable in class BinaryOperator



Returns:
DOCUMENT ME!
See Also:
Expression.isExpandable()





optimize
public Expression optimize()

DOCUMENT ME!



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!



Returns:
DOCUMENT ME!