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getvarnum

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Purpose

Return the index of an mpvar in the problem

Synopsis

function getvarnum(v:mpvar) :integer

Argument

v

an mpvar

Return value

The index number of the mpvar or -1 if the problem has not been loaded or the variable is not in the current problem.

Example

The following code fragment obtains the index for variable v(3) and then uses it to obtain the SLP status of the variable:

declarations
  vNum, Status: integer
  v: array(1..10) of mpvar
  OBJ: linctr
end-declarations
  ...
  SLPloadprob(OBJ)
  SLPmaximize
  vNum := getvarnum(v(3))
  Status := getstatus(vNum)

Related topics

SLPgetindex

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