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Only center and neighboring points are used in present scheme, so the method of forward elimination and backward substitution can be directly used to solve linear simultaneous equations obtained from the scheme. |
中文意思: 该方法仅涉及中心点及相邻网格点,具有四阶精度,并且由所提格式得到的线性方程组是三对角线型的,可以直接采用追赶法进行求解。 |
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