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列主元阀求解方程的matlab源码

于 2023-01-27 发布 文件大小:2.23 kB
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列主元阀求解方程的matlab源码, 在本论文中所讲的列主元消去法是在高斯消去法的消去过程中,在待消元的所在列中选取主元,即把那列中未知数的系数绝对值最大者作为主元,将方程的行交换,置于著元素对角线位置处后在进行消元的方法。在列主元消去法中,未知数仍然是按照顺序消除的,通过选主元能避免误差被放大的情况,可以提高界的精度。

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