org.moeaframework.util.tree
Class Exp

java.lang.Object
  org.moeaframework.util.tree.Node
      org.moeaframework.util.tree.Exp

public class Exp
extends Node

The node for calculating the result of Euler's number e raised to the power of a number. The inputs and outputs to this node are shown below:

Name	Type	Description
Argument 1	Number	The number
Return Value	Number	The exponential function value given the number

See Also:

Math.exp(double)

Constructor Summary

Exp()
Constructs a new node for calculating the result of Euler's number e raised to the power of a number.

Method Summary

Exp	copyNode() Returns a copy of this node, but without any children or parents assigned.
Number	evaluate(Environment environment) Evaluates this node in the context of the specified environment.

Methods inherited from class org.moeaframework.util.tree.Node

copyTree, getArgument, getArgumentType, getDepth, getFunctionAt, getFunctionAt, getMaximumHeight, getMinimumHeight, getNodeAt, getNodeAt, getNodeAt, getNumberOfArguments, getNumberOfFunctions, getNumberOfFunctions, getNumberOfNodes, getNumberOfNodes, getNumberOfNodes, getNumberOfTerminals, getNumberOfTerminals, getParent, getReturnType, getTerminalAt, getTerminalAt, isFixed, isTerminal, isValid, setArgument, setFixed, setFixedTree, size, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Exp

public Exp()

Constructs a new node for calculating the result of Euler's number e raised to the power of a number.

Method Detail

copyNode

public Exp copyNode()

Description copied from class: Node

Returns a copy of this node, but without any children or parents assigned.

Specified by:

copyNode in class Node

Returns:

a copy of this node, but without any children or parents assigned

evaluate

public Number evaluate(Environment environment)

Description copied from class: Node

Evaluates this node in the context of the specified environment.

Specified by:

evaluate in class Node

Parameters:

environment - the execution environment

Returns:

the result of evaluating this node