求解线性方程组的一种新的迭代算法
A New Iterative Algorithm for Linear Equation
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摘要: 对系数为对称正定矩阵的线性方程组Ax=b,利用系数矩阵A主对角线上元素的和构造了一种新的收敛迭代格式xk+1=(I-2/a11+…+ann A)xk+2/a11+…+ann b,并进一步对这种格式进行了改进.
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关键词:
- 线性方程组,迭代算法,对称正定矩阵
Abstract: Using the sum of the elements of the principal diagonal of the coefficient matrix A, a new iterative schine ,i.e.xk+1=(I-2/a11+…+ann A)xk+2/a11+…+ann b,is constructed for the linear equation Ax = b, of which the coefficient is a symmetric positive definite matrix. Further improvement is made of the scheme. -
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