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## org.lsmp.djep.jama
Class Rank

    java.lang.Object
      org.nfunk.jep.function.PostfixMathCommand
          org.lsmp.djep.jama.Rank

All Implemented Interfaces:
  UnaryOperatorI, PostfixMathCommandI

    public class Rank

extends PostfixMathCommand
implements UnaryOperatorI

Find the rank of a matrix. Serves a wrapper around the Jama linear algebra function.

Author:
  Rich Morris Created on 15-Feb-2005
See Also:
  http://math.nist.gov/javanumerics/jama/

Field Summary

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

Constructor Summary
`Rank()`

Method Summary
`Dimensions` | `calcDim(Dimensions ldim)` Find the dimensions of this operator when applied to arguments with given dimensions.
`MatrixValueI` | `calcValue(MatrixValueI res, MatrixValueI lhs)` Calculates the value of this operator for given input with results stored in res.
`void` | `run(java.util.Stack s)` Throws an exception because this method should never be called under normal circumstances.

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`

Methods inherited from interface org.nfunk.jep.function.PostfixMathCommandI
`checkNumberOfParameters, getNumberOfParameters, setCurNumberOfParameters`

Constructor Detail

### Rank

    public Rank()

Method Detail

### run

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

  Description copied from class: `PostfixMathCommand`
  Throws an exception because this method should never be called under normal circumstances. Each function should use it's own run() method for evaluating the function. This includes popping off the parameters from the stack, and pushing the result back on the stack.

  Specified by:
    `run` in interface `PostfixMathCommandI`
  Overrides:
    `run` in class `PostfixMathCommand`
  Throws:
    `ParseException`

### calcDim

    public Dimensions calcDim(Dimensions ldim)

  Description copied from interface: `UnaryOperatorI`
  Find the dimensions of this operator when applied to arguments with given dimensions.

  Specified by:
    `calcDim` in interface `UnaryOperatorI`

### calcValue

    public MatrixValueI calcValue(MatrixValueI res,
                                  MatrixValueI lhs)
                           throws ParseException

  Description copied from interface: `UnaryOperatorI`
  Calculates the value of this operator for given input with results stored in res. res is returned. Using this method is slightly faster than the standard run method as it eliminates the construction of tempoary objects.

  Specified by:
    `calcValue` in interface `UnaryOperatorI`
  Throws:
    `ParseException`

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http://www.singularsys.com/jep Copyright © 2007 Singular Systems