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Free all the resources used by an lpSolve linear program model object and set the value of the external pointer to NULL.
NULL
delete.lp(lprec)
lprec is invisibly returned.
lprec
an lpSolve linear program model object.
Kjell Konis kjell.konis@me.com
This function is used as a finalizer for lpSolve linear program model objects.
https://lpsolve.sourceforge.net/5.5/index.htm