Remove a term from a quadratic expression.

void remove ( int i )

    Remove the quadratic term stored at index i of the expression.


    i: The index of the quadratic term to be removed.

boolean remove ( GRBVar var )

    Remove all quadratic terms associated with variable var from the expression.


    var: The variable whose quadratic term should be removed.

    Return value:

    Returns true if the variable appeared in the quadratic expression (and was removed).