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## org.lsmp.djep.djep
Class Diff

    java.lang.Object
      org.nfunk.jep.function.PostfixMathCommand
          org.lsmp.djep.djep.Diff

All Implemented Interfaces:
  CommandVisitorI, PostfixMathCommandI

    public class Diff

extends PostfixMathCommand
implements CommandVisitorI

The diff(f,x) operator.

Field Summary

Fields inherited from class org.nfunk.jep.function.PostfixMathCommand
`curNumberOfParameters, numberOfParameters`

Constructor Summary
`Diff()`

Method Summary
`Node` | `process(Node node, Node[] children, XJep xjep)` Process the differentiation specified by node.
`void` | `run(java.util.Stack inStack)` Should never be evaluated!

Methods inherited from class org.nfunk.jep.function.PostfixMathCommand
`checkNumberOfParameters, checkStack, getNumberOfParameters, setCurNumberOfParameters`

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

Constructor Detail

### Diff

    public Diff()

Method Detail

### run

    public void run(java.util.Stack inStack)
             throws ParseException

  Should never be evaluated!

  Specified by:
    `run` in interface `PostfixMathCommandI`
  Overrides:
    `run` in class `PostfixMathCommand`
  Throws:
    `ParseException` - if called by evaluator.

### process

    public Node process(Node node,
                        Node[] children,
                        XJep xjep)
                 throws ParseException

  Process the differentiation specified by node. Defines process in

  Specified by:
    `process` in interface `CommandVisitorI`
  Parameters:
    `node` - top node of the tree
    `children` - the children of the node after they have been preprocessed.
    `xjep` - a reference to the current XJep interface.
  Returns:
    top node of the results.
  Throws:
    `ParseException`
  See Also:
    `CommandVisitorI`

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