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1·An incomplete Cholesky-conjugate gradient method is used to solve the pressure equation of two phase bi-dimension model.

本文把不完全乔利斯基——共轭斜量解法用于求解二维二相模型的压力方程。

2·Nonlinear programming techniques, branch and bound algorithms and incomplete Cholesky decomposition conjugate gradient method (ICCG) are the three main parts of our work.

非线性优化技术、分枝定界算法和不完全乔莱斯基分解的预优共轭梯度法是该工作的三个主体部分。