By using active set strategy, the authors need only to solve a reduced trust region subproblem which is solved inexactly by the truncated conjugate gradient method.
作者利用有效集策略，在每次迭代中只需求解一个低维的信赖域
，该信赖域是通过截断共轭梯度法来近似求解的。
,次
By using active set strategy, the authors need only to solve a reduced trust region subproblem which is solved inexactly by the truncated conjugate gradient method.
作者利用有效集策略，在每次迭代中只需求解一个低维的信赖域，该信赖域是通过截断共轭梯度法来近似求解的。
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