简介:Iterativetechniquesforsolvingoptimalcontrolsystemsgovernedbyparabolicvariationalinequalitiesarepresented.Thetechniquesweusearebasedonlinearfiniteelementsmethodtoapproximatethestateequationsandnonlinearconjugategradientmethodstosolvethediscreteoptimalcontrolproblem.Convergenceresultsandnumericalexperimentsarepresented.