QtConcurrent::run() with function member?

[wookoon]

I can't seem to be able to associate QtConcurrent::run() with a method (function member of a class) only with a simple function. How can I do this.

... ...
QVector<double> MyClass::execute(QModelIndex index,QVector<double> args)
{
    ..........  
}
 
QVector<double> MyClas::caculator(QModelIndex index,QVector<double> args)
{
    QFuture<QVector<double> >  future = QtConcurrent::run(&MyClas::execute,index,args);
    ...........

... ...
QVector<double> MyClass::execute(QModelIndex index,QVector<double> args)
{
    ..........  
}

QVector<double> MyClas::caculator(QModelIndex index,QVector<double> args)
{
    QFuture<QVector<double> >  future = QtConcurrent::run(&MyClas::execute,index,args);
    ...........

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error: no matching function for call to 'run(<unresolved overloaded function type>, QModelIndex&, QVector<double>&)'