为达到这个目的，得到了配置方法的后验误差估计，当误差大于用户指定的误差容限时，根据获得的误差指示因子来自适应调整网格。
For this purpose , a posteriori error estimates of collo-cation method is derived and the derived error indicators are used to adaptively adjust meshes when the error is larger than the user-defined error tolerance .
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