quasi-geostrophic approximation

Under Quasi-static approximation, based on the non-diluted condition, the analytical expression of the effective dielectric constant and third-order nonlinear susceptibility of granule composite system was obtained in our research.

在准静态近似下，我们推导得出非稀释情况下，颗粒复合体系的有效线性介电常数和有效三阶非线性极化率的解析表达式。

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This paper points out that if a sequence of Jacobian approximation satisfies the bounded deterioration, the sequence generated from the quasi& Newton methods is no better than linear convergence.

本文指出当Jacobian近似满足有界退化性质时，由拟牛顿算法得到的迭代序列最多是线性收敛的。

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