VarNode

```
public class VarNode
extends TermNode
```
A node of an expression tree that represents a variable. A VarNode cannot have any children.

Field Summary
- Fields inherited from class com.graphbuilder.math.TermNode
  name, negate
- Fields inherited from class com.graphbuilder.math.Expression
  parent

Constructors
Constructor and Description
`VarNode(java.lang.String name, boolean negate)`

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`double`	`eval(VarMap v, FuncMap f)` Returns the value associated with the variable name in the VarMap.

Methods inherited from class com.graphbuilder.math.TermNode
getName, getNegate, setName, setNegate

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

public VarNode(java.lang.String name,
               boolean negate)

Class VarNode